Goodwill and Other Identifiable Intangible Assets (Changes in the Carrying Amount of Goodwill) (Details) $ in Thousands	3 Months Ended
Sep. 30, 2018 USD ($)
Goodwill [Roll Forward]
Balance as of June 30, 2018	$ 298,174
Additions	14,209
Foreign currency translation adjustment	(1,049)
Balance as of September 30, 2018	311,334
Barcode, Networking & Security Segment [Member]
Goodwill [Roll Forward]
Balance as of June 30, 2018	137,214
Additions	0
Foreign currency translation adjustment	(120)
Balance as of September 30, 2018	137,094
Communications & Services Segment [Member]
Goodwill [Roll Forward]
Balance as of June 30, 2018	160,960
Additions	14,209
Foreign currency translation adjustment	(929)
Balance as of September 30, 2018	$ 174,240

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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