XML 88 R77.htm IDEA: XBRL DOCUMENT
v3.21.1

Stockholders' Equity - Summary of the Stock Repurchase Program (Details) $ / shares in Units, $ in Thousands | 6 Months Ended
--- | ---
May 01, 2021 USD ($) $ / shares shares
Shares Repurchased |
Cumulative beginning balance (in shares) | shares | 5,710,912
Repurchase of common stock under the stock repurchase program (in shares) | shares | 735,075
Cumulative ending balance (in shares) | shares | 6,445,987
Weighted-Average Price per Share |
Cumulative beginning balance (in dollars per share) | $ / shares | $ 39.33
Repurchase of common stock under the stock repurchase program (in dollars per share) | $ / shares | 53.60
Cumulative ending balance (in dollars per share) | $ / shares | $ 40.96
Amount Repurchased (in thousands) |
Cumulative beginning balance | $ | $ 224,611
Repurchase of common stock under the stock repurchase program | $ | 39,398
Cumulative ending balance | $ | $ 264,009

X
- Definition Cumulative Shares Repurchased, Excluding Shares Purchased for Tax Withholdings for Share-based Compensation, Shares + References No definition available. + Details
Name: | cien_CumulativeSharesRepurchasedExcludingSharesPurchasedforTaxWithholdingsforSharebasedCompensationShares
Namespace Prefix: | cien_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Cumulative Shares Repurchased, Excluding Shares Purchased for Tax Withholdings for Share-based Compensation, Value + References No definition available. + Details
Name: | cien_CumulativeSharesRepurchasedExcludingSharesPurchasedforTaxWithholdingsforSharebasedCompensationValue
Namespace Prefix: | cien_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Cumulative Shares Repurchased, Excluding Shares Purchased for Tax Withholdings for Share-based Compensation, Weighted-Average Price Per Share + References No definition available. + Details
Name: | cien_CumulativeSharesRepurchasedExcludingSharesPurchasedforTaxWithholdingsforSharebasedCompensationWeightedAveragePricePerShare
Namespace Prefix: | cien_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Shares Repurchased During Period, Weighted-Average Price Per Share + References No definition available. + Details
Name: | cien_SharesRepurchasedDuringPeriodWeightedAveragePricePerShare
Namespace Prefix: | cien_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stock Repurchased Program, Number of Shares [Roll Forward] + References No definition available. + Details
Name: | cien_StockRepurchasedProgramNumberofSharesRollForward
Namespace Prefix: | cien_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stock Repurchased Program, Value of Shares [Roll Forward] + References No definition available. + Details
Name: | cien_StockRepurchasedProgramValueofSharesRollForward
Namespace Prefix: | cien_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stock Repurchased Program, Weighted-Average Price Per Share [Roll Forward] + References No definition available. + Details
Name: | cien_StockRepurchasedProgramWeightedAveragePricePerShareRollForward
Namespace Prefix: | cien_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_StockRepurchasedDuringPeriodShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_StockRepurchasedDuringPeriodValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration