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GOODWILL AND INTANGIBLE ASSETS - Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Changes in the carrying value of goodwill
Balance at the beginning of the period	$ 292,213	$ 242,129
Goodwill acquired or adjusted during the period	15,359	50,875
Foreign currency translation adjustment	(464)	(791)
Balance at the end of the period	307,108	292,213
Security Division
Changes in the carrying value of goodwill
Balance at the beginning of the period	191,810	155,083
Goodwill acquired or adjusted during the period	8,340	36,889
Foreign currency translation adjustment	(71)	(162)
Balance at the end of the period	200,079	191,810
Healthcare Division
Changes in the carrying value of goodwill
Balance at the beginning of the period	40,157	40,129
Foreign currency translation adjustment	(93)	28
Balance at the end of the period	40,064	40,157
Optoelectronics and Manufacturing Division
Changes in the carrying value of goodwill
Balance at the beginning of the period	60,246	46,917
Goodwill acquired or adjusted during the period	7,019	13,986
Foreign currency translation adjustment	(300)	(657)
Balance at the end of the period	$ 66,965	$ 60,246

X

- Definition

Represents the amount of goodwill acquired or adjusted in the period and allocated to the reportable segment.

+ References

No definition available.

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- Definition

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.

+ References

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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- Definition

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
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

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- Definition

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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