<SEC-DOCUMENT>0000936395-20-000030.txt : 20200701
<SEC-HEADER>0000936395-20-000030.hdr.sgml : 20200701
<ACCEPTANCE-DATETIME>20200701100318
ACCESSION NUMBER:		0000936395-20-000030
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		15
CONFORMED PERIOD OF REPORT:	20200630
ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20200701
DATE AS OF CHANGE:		20200701

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CIENA CORP
		CENTRAL INDEX KEY:			0000936395
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
		IRS NUMBER:				232725311
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36250
		FILM NUMBER:		201004350

	BUSINESS ADDRESS:	
		STREET 1:		7035 RIDGE ROAD
		CITY:			HANOVER
		STATE:			MD
		ZIP:			21076
		BUSINESS PHONE:		4108658500

	MAIL ADDRESS:	
		STREET 1:		7035 RIDGE ROAD
		CITY:			HANOVER
		STATE:			MD
		ZIP:			21076
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>cien-20200630.htm
<DESCRIPTION>8-K
<TEXT>
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id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGV4dHJlZ2lvbjozMjg3YzU3NzQzOWI0NmZhOTBjYjcyNjc4MjU5OWM5MF8xMjI5_3371a249-7a83-41d2-a109-7f77625ca79d">7035 Ridge Road</ix:nonNumeric>, <ix:nonNumeric contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630" name="dei:EntityAddressCityOrTown" id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGV4dHJlZ2lvbjozMjg3YzU3NzQzOWI0NmZhOTBjYjcyNjc4MjU5OWM5MF8xMjMw_d4b3bcc8-409e-45d2-82d6-a5bc49969e94">Hanover</ix:nonNumeric>, <ix:nonNumeric contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630" name="dei:EntityAddressStateOrProvince" id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGV4dHJlZ2lvbjozMjg3YzU3NzQzOWI0NmZhOTBjYjcyNjc4MjU5OWM5MF8xMjMx_c735fffa-9a70-4d29-9cae-8b33f5764c97">MD</ix:nonNumeric> </span></div><div style="text-align:center;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">(Address of principal executive offices)</span></div><div><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;"> </span></div><div><span><br/></span></div></div><div style="display:inline-block;vertical-align:top;width:28.070%;"></div><div style="display:inline-block;vertical-align:top;width:35.966%;"><div><span><br/></span></div><div style="text-align:center;margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;"><ix:nonNumeric contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630" name="dei:EntityTaxIdentificationNumber" id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGV4dHJlZ2lvbjozMjg3YzU3NzQzOWI0NmZhOTBjYjcyNjc4MjU5OWM5MF8xMjI1_947194de-07fb-401c-b259-9babb358f02e">23-2725311</ix:nonNumeric></span></div><div style="text-align:center;margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">(IRS Employer Identification No.)</span></div><div style="text-align:center;margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;"><ix:nonNumeric contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630" name="dei:EntityAddressPostalZipCode" id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGV4dHJlZ2lvbjozMjg3YzU3NzQzOWI0NmZhOTBjYjcyNjc4MjU5OWM5MF8xMjI2_b2b6bb98-e5b5-4fbb-b094-fc4755787135">21076</ix:nonNumeric> </span></div><div style="text-align:center;margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">(Zip Code)</span></div></div></div><div style="text-align:center;margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">Registrant's telephone number, including area code</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;">:</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%;"> </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;">(<ix:nonNumeric contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630" name="dei:CityAreaCode" id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGV4dHJlZ2lvbjozMjg3YzU3NzQzOWI0NmZhOTBjYjcyNjc4MjU5OWM5MF8xMjM0_ee13bcd4-dcce-4084-bed0-f5250ca16ff0">410</ix:nonNumeric>)</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%;">&#160;</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;"><ix:nonNumeric contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630" name="dei:LocalPhoneNumber" id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGV4dHJlZ2lvbjozMjg3YzU3NzQzOWI0NmZhOTBjYjcyNjc4MjU5OWM5MF8xMjM1_cd17795a-d9db-4741-8241-28957b3b0e55">694-5700</ix:nonNumeric></span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%;"> </span></div><div style="text-align:center;margin-bottom:6pt;"><span><br/></span></div><div style="text-align:center;margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;">Not Applicable</span></div><div style="text-align:center;margin-bottom:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">(Former name or former address, if changed since last report)</span></div><div style="text-align:center;margin-top:5pt;margin-bottom:5pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.707%;"><tr><td style="width:1.0%;"></td><td style="width:2.545%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:29.818%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:29.818%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:29.819%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="12" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:100%;">see </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;">General Instruction A.2. below):</span></div></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="font-size:10pt;font-weight:400;font-family:'Arial Unicode MS',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonNumeric contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630" format="ixt-sec:boolballotbox" name="dei:WrittenCommunications" id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGFibGU6MGY3OGVjNWJiMGQ4NDhiNTliNTM0YjE3MjQ5ZTdlMmIvdGFibGVyYW5nZTowZjc4ZWM1YmIwZDg0OGI1OWI1MzRiMTcyNDllN2UyYl8xLTAtMS0xLTA_0d63553e-ab44-48dd-a9f3-9fde204d6d01">&#9744;</ix:nonNumeric></span></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</span></div></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="font-size:10pt;font-weight:400;font-family:'Arial Unicode MS',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonNumeric contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630" format="ixt-sec:boolballotbox" name="dei:SolicitingMaterial" id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGFibGU6MGY3OGVjNWJiMGQ4NDhiNTliNTM0YjE3MjQ5ZTdlMmIvdGFibGVyYW5nZTowZjc4ZWM1YmIwZDg0OGI1OWI1MzRiMTcyNDllN2UyYl8yLTAtMS0xLTA_b3849951-00ab-401f-bc3b-159a302702a0">&#9744;</ix:nonNumeric></span></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</span></div></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="font-size:10pt;font-weight:400;font-family:'Arial Unicode MS',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonNumeric contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630" format="ixt-sec:boolballotbox" name="dei:PreCommencementTenderOffer" id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGFibGU6MGY3OGVjNWJiMGQ4NDhiNTliNTM0YjE3MjQ5ZTdlMmIvdGFibGVyYW5nZTowZjc4ZWM1YmIwZDg0OGI1OWI1MzRiMTcyNDllN2UyYl8zLTAtMS0xLTA_9398437f-6222-47b4-a62c-e94f7e12f900">&#9744;</ix:nonNumeric></span></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</span></div></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="font-size:10pt;font-weight:400;font-family:'Arial Unicode MS',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);"><ix:nonNumeric contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630" format="ixt-sec:boolballotbox" name="dei:PreCommencementIssuerTenderOffer" id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGFibGU6MGY3OGVjNWJiMGQ4NDhiNTliNTM0YjE3MjQ5ZTdlMmIvdGFibGVyYW5nZTowZjc4ZWM1YmIwZDg0OGI1OWI1MzRiMTcyNDllN2UyYl80LTAtMS0xLTA_e016bade-da60-4bae-bd66-c3ee257d8278">&#9744;</ix:nonNumeric></span></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="font-size:10pt;font-weight:400;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr></table></div><div style="text-align:center;margin-top:5pt;margin-bottom:5pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:100.000%;"><tr><td style="width:1.0%;"></td><td style="width:31.333%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:31.333%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:31.334%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="9" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><span style="font-size:10pt;font-weight:400;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">Securities registered pursuant to Section 12(b) of the Act:</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-left:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="text-align:center;margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;">Title of each class</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-left:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="text-align:center;margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;">Trading Symbol(s)</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-left:1pt solid #000000;padding-left:1pt;border-right:1pt solid #000000;padding-right:1pt;"><div style="text-align:center;margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;">Name of each exchange on which registered</span></div></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:1pt solid #000000;border-left:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="text-align:center;margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;"><ix:nonNumeric contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630" name="dei:Security12bTitle" id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGFibGU6OTE4ZjU3M2Y2MWZmNGJkNTk0MmNiMjRhODg2ZTNiYTQvdGFibGVyYW5nZTo5MThmNTczZjYxZmY0YmQ1OTQyY2IyNGE4ODZlM2JhNF8yLTAtMS0xLTA_12a8d967-4e30-4b00-bbcd-42599383653e">Common stock, $0.01 par value</ix:nonNumeric></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:1pt solid #000000;border-left:1pt solid #000000;padding-left:1pt;padding-right:1pt;"><div style="text-align:center;margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;"><ix:nonNumeric contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630" name="dei:TradingSymbol" id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGFibGU6OTE4ZjU3M2Y2MWZmNGJkNTk0MmNiMjRhODg2ZTNiYTQvdGFibGVyYW5nZTo5MThmNTczZjYxZmY0YmQ1OTQyY2IyNGE4ODZlM2JhNF8yLTEtMS0xLTA_71ed061c-9622-4a46-9154-773bb3f75271">CIEN</ix:nonNumeric></span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;border-top:1pt solid #000000;border-bottom:1pt solid #000000;border-left:1pt solid #000000;padding-left:1pt;border-right:1pt solid #000000;padding-right:1pt;"><div style="text-align:center;margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;"><ix:nonNumeric contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630" format="ixt-sec:exchnameen" name="dei:SecurityExchangeName" id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGFibGU6OTE4ZjU3M2Y2MWZmNGJkNTk0MmNiMjRhODg2ZTNiYTQvdGFibGVyYW5nZTo5MThmNTczZjYxZmY0YmQ1OTQyY2IyNGE4ODZlM2JhNF8yLTItMS0xLTA_bbae97b9-16b9-4fef-be1e-35993f7e627b">New York Stock Exchange</ix:nonNumeric></span></div></td></tr></table></div><div><span><br/></span></div><div><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (&#167;230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (&#167;240.12b-2 of this chapter).</span></div><div style="text-align:right;"><span><br/></span></div><div style="text-align:right;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">Emerging growth company </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:10pt;font-weight:400;line-height:120%;"><ix:nonNumeric contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630" format="ixt-sec:boolballotbox" name="dei:EntityEmergingGrowthCompany" id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGV4dHJlZ2lvbjozMjg3YzU3NzQzOWI0NmZhOTBjYjcyNjc4MjU5OWM5MF8xMjM2_08be71cf-ac65-4284-8bd7-53a907b59280">&#9744;</ix:nonNumeric></span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;"> </span></div><div><span><br/></span></div><div><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. </span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">&#9744;</span></div><div style="position:relative;width:100%;height:18pt;"><div style="position:absolute;bottom:0;width:100%;"><div><span><br/></span></div></div></div><div id="i965727a3f6ff455a95d1db169f1383b9_7"></div><hr style="page-break-after:always"/><div style="height:42.75pt;width:100%;"><div><span><br/></span></div></div><div style="-sec-extract:summary;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:232%;">ITEM 5.02 - DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS; ELECTION OF DIRECTORS; APPOINTMENT OF CERTAIN OFFICERS; COMPENSATORY ARRANGEMENTS OF CERTAIN OFFICERS</span></div><div><span><br/></span></div><div><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.707%;"><tr><td style="width:1.0%;"></td><td style="width:98.000%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="text-indent:36pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:115%;">(d) Effective June 30, 2020, the Board of Directors of Ciena Corporation (&#8220;Ciena&#8221;) increased the size of the Board to ten directors and appointed Hassan M. Ahmed, Ph.D. to fill the newly created vacancy in Class III of the Board. The term of office for Class III directors expires at Ciena&#8217;s 2021 Annual Meeting of stockholders, and Dr. Ahmed will stand for election at that time. Also effective June 30, 2020, Dr. Ahmed was appointed to serve on both the Compensation Committee and the Governance and Nominations Committee of the Board.</span></div><div style="text-indent:36pt;"><span><br/></span></div><div style="text-indent:36pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:115%;">Dr. Ahmed, age 62, most recently served as Chairman of the Board and Chief Executive Officer of Affirmed Networks, which was acquired by Microsoft in April 2020. Before founding Affirmed Networks in 2010, he was a senior advisor at Charles River Ventures. From 1998 to 2008, Dr. Ahmed served as Chairman and Chief Executive Officer of Sonus Networks. Prior to that time, he served in various executive roles at Ascend Communications, Cascade Communications and Analog Devices. He also served as President and founder of WaveAccess, and founded and served as director of the VLSI Systems Group of Motorola Codex. Dr. Ahmed previously served as Associate Professor of Electrical, Computer and Systems Engineering and Associate Professor of Finance at Boston University. Dr. Ahmed holds a BSEE and MSAE from Carleton University and a Ph.D. in electrical engineering from Stanford University.</span></div><div style="text-indent:36pt;"><span><br/></span></div><div style="text-indent:36pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:115%;">The Board also approved the grant, effective as of July 1, 2020, of a restricted stock unit award to Dr. Ahmed representing shares of Ciena common stock with a target delivered value of approximately $166,356. The amount of the award reflects Ciena's standard compensation program for initial equity awards to new directors, pro-rated based on the date of election by the Board. Provided Dr. Ahmed continues his service on the Board, the restricted stock unit award will vest in its entirety on September 20, 2021. In connection with his service on the Board of Directors, Dr. Ahmed will also be entitled to the standard non-employee director compensation arrangements as set forth under the heading &#8220;Director Compensation&#8221; in Ciena&#8217;s most recent proxy statement filed with the SEC.</span></div><div style="text-indent:36pt;"><span><br/></span></div><div style="text-indent:36pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:115%;">A copy of the press release announcing the appointment of Dr. Ahmed to Ciena's Board of Directors is furnished as Exhibit 99.1.</span></div><div><span><br/></span></div></td></tr></table></div><div><span><br/></span></div><div><span><br/></span></div><div><span><br/></span></div><div><span><br/></span></div><div style="text-align:justify;"><span><br/></span></div><div style="text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%;">ITEM 9.01 - FINANCIAL STATEMENTS AND EXHIBITS</span></div><div style="margin-top:5pt;margin-bottom:5pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.561%;"><tr><td style="width:1.0%;"></td><td style="width:4.607%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:19.585%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:21.935%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:21.935%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:21.938%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%;">(d)</span></div></td><td colspan="12" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%;">The following exhibits are being filed herewith:</span></div></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%;text-decoration: underline;">Exhibit Number</span></div></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%;text-decoration: underline;">Description of Document</span></div></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:14pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:14pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="9" style="height:14pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="font-size:11pt;font-weight:400;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">Exhibit 99.1</span></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div><span style="background-color:rgb(255,255,255, 0.0);color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%;text-decoration: underline;"><a style="background-color:rgb(255,255,255, 0.0);color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%;text-decoration: underline;-sec-extract:exhibit;" href="a200701ahmedpressrelase.htm">Press Release dated July 1, 2020 issued by Ciena Corporation, announcing the appointment of Dr. Ahmed to Ciena's Board of Directors.</a></span></div><div><span><br/></span></div></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><div style="margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%;">Exhibit 104</span></div></td><td colspan="9" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:top;padding-left:1pt;padding-right:1pt;"><span style="font-size:11pt;font-weight:400;font-family:'Times New Roman',sans-serif;color:#000000;background-color:rgb(255,255,255, 0.0);">Cover Page Interactive Data File (embedded within the Inline XBRL document)</span></td><td colspan="3" style="display:none;"></td><td colspan="3" style="display:none;"></td></tr></table></div><div><span><br/></span></div><div style="position:relative;width:100%;height:42.75pt;"><div style="position:absolute;bottom:0;width:100%;"><div><span><br/></span></div></div></div><div id="i965727a3f6ff455a95d1db169f1383b9_10"></div><hr style="page-break-after:always"/><div style="height:42.75pt;width:100%;"><div><span><br/></span></div></div><div style="text-align:center;margin-bottom:12pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%;">SIGNATURES</span></div><div style="margin-top:5pt;margin-bottom:5pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.853%;"><tr><td style="width:1.0%;"></td><td style="width:98.000%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%;">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.</span></div></td></tr></table></div><div style="margin-bottom:12pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</span></div><div style="margin-top:5pt;margin-bottom:5pt;"><table style="margin-left:auto;margin-right:auto;border-collapse:collapse;text-align:left;text-indent:0pt;display:inline-table;width:99.853%;"><tr><td style="width:1.0%;"></td><td style="width:40.752%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:3.270%;"></td><td style="width:1.0%;"></td><td style="width:1.0%;"></td><td style="width:49.978%;"></td><td style="width:1.0%;"></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="6" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="text-align:justify;margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:100%;">Ciena Corporation</span></div></td><td colspan="3" style="display:none;"></td></tr><tr><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="height:15pt;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td></tr><tr><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="text-align:justify;margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%;">Date: July 1, 2020</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%;">By:</span></div></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="text-align:justify;margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%;text-decoration: underline;">/s/ David M. Rothenstein</span></div></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="text-indent:-236.25pt;padding-left:238.5pt;text-align:justify;margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%;">David M. Rothenstein</span></div></td></tr><tr><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"></td><td colspan="3" style="padding-top:2px;padding-bottom:2px;background-color:rgb(255,255,255, 0.0);text-align:left;vertical-align:bottom;padding-left:1pt;padding-right:1pt;"><div style="text-indent:-236.25pt;padding-left:238.5pt;margin-bottom:1pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:100%;">Senior Vice President, General Counsel and Secretary</span></div></td></tr></table></div><div><span><br/></span></div><div style="position:relative;width:100%;height:42.75pt;"><div style="position:absolute;bottom:0;width:100%;"><div><span><br/></span></div></div></div></body></html>
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head>
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<title>Document</title></head><body><div id="i0ad230c3f352478ea7b32305c3c6730d_31"></div><div style="height:72pt;width:100%;"><div><font><br></font></div></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:115%;text-decoration: underline;">FOR IMMEDIATE RELEASE</font></div><div><font><br></font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:14pt;font-weight:700;line-height:115%;">Ciena Appoints Hassan Ahmed to Board of Directors</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:150%;">HANOVER, Md.</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:150%;"> </font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:150%;">&#8211; July 1, 2020 &#8211; </font><font style="background-color:rgb(255,255,255, 0.0);color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:150%;">Ciena</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:150%;"> (NYSE&#58; CIEN) today announced that Hassan M. Ahmed, Ph.D., has been appointed to its Board of Directors.</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:150%;">Dr. Ahmed most recently served as Chairman of the Board and Chief Executive Officer of Affirmed Networks, which was acquired by Microsoft in April 2020. Before founding Affirmed Networks in 2010, he was a senior advisor at Charles River Ventures. From 1998 to 2008, Dr. Ahmed served as Chairman and Chief Executive Officer of Sonus Networks. Prior to that time, Dr. Ahmed served in various executive roles at Ascend Communications, Cascade Communications and Analog Devices. He also served as President and founder of WaveAccess, a pioneer in high-speed wireless network products. Dr. Ahmed was Associate Professor of Electrical, Computer and Systems Engineering and Associate Professor of Finance at Boston University.</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:150%;">&#8220;Hassan brings a strong strategic growth orientation with outstanding industry and technology knowledge, including a successful entrepreneurial track record in leading market-disrupting businesses and deep expertise in the packet networking and IP arena,&#8221; said Gary B. Smith, president and CEO of Ciena. &#8220;We look forward to his insights and guidance as we continue to deliver networks that can adapt to today&#8217;s ever-changing digital world.&#8221;</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:150%;">Dr. Ahmed is the author of more than 50 professional publications and holds a BSEE and MSAE from Carleton University and a Ph.D. in electrical engineering from Stanford University.</font></div><div><font><br></font></div><div style="text-align:center;"><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:150%;">###</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:115%;">About Ciena</font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%;">Ciena (NYSE&#58; CIEN) is a networking systems, services and software company. We provide solutions that help our customers create the Adaptive Network</font><sup style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:115%;vertical-align:top;">TM</sup><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%;"> in response to the constantly changing demands of their users. By delivering best-in-class networking technology through high-touch consultative relationships, we build the world&#8217;s most agile networks with automation, openness and scale. For updates on Ciena, follow us on Twitter </font><font style="background-color:rgb(255,255,255, 0.0);color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%;">&#64;Ciena</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%;">, </font><font style="background-color:rgb(255,255,255, 0.0);color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%;">LinkedIn</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%;">, the </font><font style="background-color:rgb(255,255,255, 0.0);color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%;">Ciena Insights blog</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%;">, or visit </font><font style="background-color:rgb(255,255,255, 0.0);color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%;">www.ciena.com</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%;">.</font></div><div><font><br></font></div><div><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:115%;">Note to Ciena Investors</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:115%;"> </font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%;">You are encouraged to review the </font><font style="background-color:rgb(255,255,255, 0.0);color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%;">Investors section</font><font style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:115%;"> of our website, where we routinely post press releases, SEC filings, recent news, financial results, and other announcements. From time to time we exclusively post material information to this website along with other disclosure channels that we use. This press release contains certain forward-looking statements that are based on our current expectations, forecasts, information and assumptions. These statements involve inherent risks and uncertainties.  Actual results or outcomes may differ materially from those stated or implied, because of risks and uncertainties, including those detailed in our most recent annual and quarterly reports filed with the SEC. Forward-looking statements include statements regarding our  expectations, beliefs, intentions or strategies and can be identified by words such as &#34;anticipate,&#34; &#34;believe,&#34; &#34;could,&#34; &#34;estimate,&#34; &#34;expect,&#34; &#34;intend,&#34; &#34;may,&#34; &#34;should,&#34; &#34;will,&#34; and &#34;would&#34; or similar words. Ciena assumes no obligation to update the information included in this press release, whether as a result of new information, future events or otherwise.</font></div><div style="position:relative;width:100%;height:72pt;"><div style="position:absolute;bottom:0;width:100%;"><div><font><br></font></div></div></div></body></html>
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    <link:label id="lab_dei_SolicitingMaterial_14d239ff-1c15-41a9-b3ff-ad5fb2958912_terseLabel_en-US" xlink:label="lab_dei_SolicitingMaterial" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Soliciting Material</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey" xlink:to="lab_dei_EntityCentralIndexKey" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityTaxIdentificationNumber_62f12cb1-93ee-4a46-bafa-f8b8dc53d685_terseLabel_en-US" xlink:label="lab_dei_EntityTaxIdentificationNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Tax Identification Number</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityTaxIdentificationNumber" xlink:to="lab_dei_EntityTaxIdentificationNumber" xlink:type="arc" order="1"/>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFileNumber" xlink:to="lab_dei_EntityFileNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentType_0895844f-600a-42e5-a366-3d247cd60dac_terseLabel_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Type</link:label>
    <link:label id="lab_dei_DocumentType_label_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Document Type</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentType"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType" xlink:to="lab_dei_DocumentType" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_77b8c56c-ec76-4883-90f8-db1e45f54985_terseLabel_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_label_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityEmergingGrowthCompany" xlink:to="lab_dei_EntityEmergingGrowthCompany" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_Security12bTitle_efb91ddf-aa73-4373-bd79-f05c888618bf_terseLabel_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Title of 12(b) Security</link:label>
    <link:label id="lab_dei_Security12bTitle_label_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Title of 12(b) Security</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_Security12bTitle"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_Security12bTitle" xlink:to="lab_dei_Security12bTitle" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AmendmentFlag_cc7c9857-95b2-4417-8fb4-20a9a99ce71b_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amendment Flag</link:label>
    <link:label id="lab_dei_AmendmentFlag_label_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amendment Flag</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LocalPhoneNumber"/>
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    <link:label id="lab_dei_EntityAddressStateOrProvince_34279bca-c927-4e34-bc91-34c2a650d090_terseLabel_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, State or Province</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressPostalZipCode" xlink:to="lab_dei_EntityAddressPostalZipCode" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_TradingSymbol_39e613c7-2083-4bf9-9389-5d1aa0ba83c3_terseLabel_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Trading Symbol</link:label>
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<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>7
<FILENAME>cien-20200630_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
<TEXT>
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      contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630"
      id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGV4dHJlZ2lvbjozMjg3YzU3NzQzOWI0NmZhOTBjYjcyNjc4MjU5OWM5MF8xMjI5_3371a249-7a83-41d2-a109-7f77625ca79d">7035 Ridge Road</dei:EntityAddressAddressLine1>
    <dei:EntityAddressCityOrTown
      contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630"
      id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGV4dHJlZ2lvbjozMjg3YzU3NzQzOWI0NmZhOTBjYjcyNjc4MjU5OWM5MF8xMjMw_d4b3bcc8-409e-45d2-82d6-a5bc49969e94">Hanover</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630"
      id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGV4dHJlZ2lvbjozMjg3YzU3NzQzOWI0NmZhOTBjYjcyNjc4MjU5OWM5MF8xMjMx_c735fffa-9a70-4d29-9cae-8b33f5764c97">MD</dei:EntityAddressStateOrProvince>
    <dei:EntityTaxIdentificationNumber
      contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630"
      id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGV4dHJlZ2lvbjozMjg3YzU3NzQzOWI0NmZhOTBjYjcyNjc4MjU5OWM5MF8xMjI1_947194de-07fb-401c-b259-9babb358f02e">23-2725311</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressPostalZipCode
      contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630"
      id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGV4dHJlZ2lvbjozMjg3YzU3NzQzOWI0NmZhOTBjYjcyNjc4MjU5OWM5MF8xMjI2_b2b6bb98-e5b5-4fbb-b094-fc4755787135">21076</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode
      contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630"
      id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGV4dHJlZ2lvbjozMjg3YzU3NzQzOWI0NmZhOTBjYjcyNjc4MjU5OWM5MF8xMjM0_ee13bcd4-dcce-4084-bed0-f5250ca16ff0">410</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630"
      id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGV4dHJlZ2lvbjozMjg3YzU3NzQzOWI0NmZhOTBjYjcyNjc4MjU5OWM5MF8xMjM1_cd17795a-d9db-4741-8241-28957b3b0e55">694-5700</dei:LocalPhoneNumber>
    <dei:WrittenCommunications
      contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630"
      id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGFibGU6MGY3OGVjNWJiMGQ4NDhiNTliNTM0YjE3MjQ5ZTdlMmIvdGFibGVyYW5nZTowZjc4ZWM1YmIwZDg0OGI1OWI1MzRiMTcyNDllN2UyYl8xLTAtMS0xLTA_0d63553e-ab44-48dd-a9f3-9fde204d6d01">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial
      contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630"
      id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGFibGU6MGY3OGVjNWJiMGQ4NDhiNTliNTM0YjE3MjQ5ZTdlMmIvdGFibGVyYW5nZTowZjc4ZWM1YmIwZDg0OGI1OWI1MzRiMTcyNDllN2UyYl8yLTAtMS0xLTA_b3849951-00ab-401f-bc3b-159a302702a0">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer
      contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630"
      id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGFibGU6MGY3OGVjNWJiMGQ4NDhiNTliNTM0YjE3MjQ5ZTdlMmIvdGFibGVyYW5nZTowZjc4ZWM1YmIwZDg0OGI1OWI1MzRiMTcyNDllN2UyYl8zLTAtMS0xLTA_9398437f-6222-47b4-a62c-e94f7e12f900">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer
      contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630"
      id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGFibGU6MGY3OGVjNWJiMGQ4NDhiNTliNTM0YjE3MjQ5ZTdlMmIvdGFibGVyYW5nZTowZjc4ZWM1YmIwZDg0OGI1OWI1MzRiMTcyNDllN2UyYl80LTAtMS0xLTA_e016bade-da60-4bae-bd66-c3ee257d8278">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630"
      id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGFibGU6OTE4ZjU3M2Y2MWZmNGJkNTk0MmNiMjRhODg2ZTNiYTQvdGFibGVyYW5nZTo5MThmNTczZjYxZmY0YmQ1OTQyY2IyNGE4ODZlM2JhNF8yLTAtMS0xLTA_12a8d967-4e30-4b00-bbcd-42599383653e">Common stock, $0.01 par value</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630"
      id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGFibGU6OTE4ZjU3M2Y2MWZmNGJkNTk0MmNiMjRhODg2ZTNiYTQvdGFibGVyYW5nZTo5MThmNTczZjYxZmY0YmQ1OTQyY2IyNGE4ODZlM2JhNF8yLTEtMS0xLTA_71ed061c-9622-4a46-9154-773bb3f75271">CIEN</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630"
      id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGFibGU6OTE4ZjU3M2Y2MWZmNGJkNTk0MmNiMjRhODg2ZTNiYTQvdGFibGVyYW5nZTo5MThmNTczZjYxZmY0YmQ1OTQyY2IyNGE4ODZlM2JhNF8yLTItMS0xLTA_bbae97b9-16b9-4fef-be1e-35993f7e627b">NYSE</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany
      contextRef="i745dc92fbfb54c6faf6ed19b0feceeb4_D20200630-20200630"
      id="id3VybDovL2RvY3MudjEvZG9jOjk2NTcyN2EzZjZmZjQ1NWE5NWQxZGIxNjlmMTM4M2I5L3NlYzo5NjU3MjdhM2Y2ZmY0NTVhOTVkMWRiMTY5ZjEzODNiOV8xL2ZyYWc6MzI4N2M1Nzc0MzliNDZmYTkwY2I3MjY3ODI1OTljOTAvdGV4dHJlZ2lvbjozMjg3YzU3NzQzOWI0NmZhOTBjYjcyNjc4MjU5OWM5MF8xMjM2_08be71cf-ac65-4284-8bd7-53a907b59280">false</dei:EntityEmergingGrowthCompany>
</xbrl>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>9
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
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</head>
<body>
<span style="display: none;">v3.20.2</span><table class="report" border="0" cellspacing="2" id="idm140098049851864">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Cover Page<br></strong></div></th>
<th class="th"><div>Jun. 30, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CoverAbstract', window );"><strong>Cover [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">8-K<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Jun. 30,  2020<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">Ciena Corp<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">001-36250<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation, State or Country Code</a></td>
<td class="text">DE<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">23-2725311<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">7035 Ridge Road<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Hanover<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">MD<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">21076<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">410<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">694-5700<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_WrittenCommunications', window );">Written Communications</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SolicitingMaterial', window );">Soliciting Material</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_PreCommencementTenderOffer', window );">Pre-commencement Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_PreCommencementIssuerTenderOffer', window );">Pre-commencement Issuer Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Common stock, $0.01 par value<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">CIEN<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0000936395<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AmendmentFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CityAreaCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CityAreaCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CoverAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cover page.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CoverAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Address Line 1 such as Attn, Building Name, Street Name</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressCityOrTown</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressPostalZipCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressPostalZipCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressStateOrProvince">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressStateOrProvince</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:stateOrProvinceItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityEmergingGrowthCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityEmergingGrowthCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFileNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFileNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fileNumberItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityIncorporationStateCountryCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Two-character EDGAR code representing the state or country of incorporation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityIncorporationStateCountryCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarStateCountryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityTaxIdentificationNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityTaxIdentificationNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:employerIdItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LocalPhoneNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LocalPhoneNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementIssuerTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 13e<br> -Subsection 4c<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementIssuerTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 14d<br> -Subsection 2b<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementTenderOffer</td>
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<tr>
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<tr>
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<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_Security12bTitle">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_Security12bTitle</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SecurityExchangeName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the Exchange on which a security is registered.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection d1-1<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SecurityExchangeName</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
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<td><strong> Balance Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SolicitingMaterial">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Section 14a<br> -Number 240<br> -Subsection 12<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SolicitingMaterial</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Trading symbol of an instrument as listed on an exchange.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_WrittenCommunications">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<br> -Section 425<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
