IMPAIRMENT, RESTRUCTURING AND OTHER CHARGES - Impairment, restructuring and other charges (Details) $ in Thousands	12 Months Ended
Jun. 30, 2019 USD ($) item	Jun. 30, 2018 USD ($) item site	Jun. 30, 2017 USD ($)
Restructuring and other charges
Impairment charges	$ 0	$ 7,795	$ 27,047
Assets fully written off, including inventory and the intangible assets and fixed assets		7,795	27,047
Acquisition-related costs	1,308	1,541	5,687
Employee termination costs	2,448	2,111	10,647
Facility closures / consolidation	2,002	502	2,506
Legal and accrued settlement costs, net	(1,931)	23,014
Other charges (reversals)			811
Total expensed	3,827	27,168	19,651
Turnkey Screening Program
Restructuring and other charges
Impairment charges		$ 17,500
Number of sites that were relocated \| site		5
Security Division
Restructuring and other charges
Number of product lines abandoned \| item		2
Assets fully written off, including inventory and the intangible assets and fixed assets		$ 9,400
Acquisition-related costs			810
Employee termination costs	132	1,485	8,256
Facility closures / consolidation		213	967
Other charges (reversals)			7
Total expensed	$ 132	1,698	10,040
Healthcare Division
Restructuring and other charges
Number of non-core product lines abandoned \| item	2
Employee termination costs	$ 1,629	16	1,760
Facility closures / consolidation	1,918	263	1,095
Legal and accrued settlement costs, net		19,364
Other charges (reversals)			374
Total expensed	3,547	19,643	3,229
Optoelectronics and Manufacturing Division
Restructuring and other charges
Acquisition-related costs	287
Employee termination costs	687	610	631
Facility closures / consolidation	84	26	444
Other charges (reversals)			(70)
Total expensed	1,058	636	1,005
Corporate
Restructuring and other charges
Acquisition-related costs	1,021	1,541	4,877
Legal and accrued settlement costs, net	(1,931)	3,650
Other charges (reversals)			500
Total expensed	$ (910)	$ 5,191	$ 5,377

Number of sites related to civil works that were relocated.

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The number of none-core product lines abandoned during the period.

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The number of product lines abandoned during the period.

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Amount of other expenses (reversal of other expenses) associated with exit or disposal activities pursuant to an authorized plan.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

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Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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