Segment Information - Financial Information by Segment (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Segment Reporting Information [Line Items]
Sales	$ 813,538	$ 798,404	$ 2,650,895	$ 2,662,754
Depreciation and amortization	6,880	4,281	18,692	12,570
Operating income	19,978	21,647	66,128	77,939
Capital expenditures	3,185	5,654	6,445	9,120
Operating Segments \| United States
Segment Reporting Information [Line Items]
Sales	619,590	599,375	2,016,561	1,996,270
Operating Segments \| International
Segment Reporting Information [Line Items]
Sales	200,382	206,748	660,124	693,526
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Depreciation and amortization	870	859	2,507	2,300
Operating income	0	(29)	(833)	(311)
Capital expenditures	1,098	3,836	1,890	3,891
Intersegment Eliminations
Segment Reporting Information [Line Items]
Sales	(6,434)	(7,719)	(25,790)	(27,042)
Worldwide Barcode, Networking & Security \| Operating Segments
Segment Reporting Information [Line Items]
Sales	548,971	528,009	1,770,015	1,780,324
Depreciation and amortization	1,828	1,453	5,183	3,996
Operating income	11,175	11,160	36,729	43,420
Capital expenditures	1,144	1,247	2,522	3,024
Worldwide Communications & Services \| Operating Segments
Segment Reporting Information [Line Items]
Sales	264,567	270,395	880,880	882,430
Depreciation and amortization	4,182	1,969	11,002	6,274
Operating income	8,803	10,516	30,232	34,830
Capital expenditures	$ 943	$ 571	$ 2,033	$ 2,205

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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