SEGMENT INFORMATION - By industry segment (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Operations and identifiable assets by industry segment
Total revenues	$ 829,660	$ 958,202	$ 906,742
Income (loss) from operations	38,374	92,108	81,295
Segments assets	991,723	937,289	1,011,077
Capital expenditures	17,688	15,286	54,598
Depreciation and amortization	57,922	58,976	54,239
Security Division
Operations and identifiable assets by industry segment
Total revenues	411,212	481,087	440,439
Capital expenditures	8,910	7,601	38,066
Depreciation and amortization	43,257	45,231	40,573
Healthcare Division
Operations and identifiable assets by industry segment
Total revenues	211,458	255,691	222,313
Capital expenditures	2,395	2,628	6,718
Depreciation and amortization	7,401	7,223	7,289
Optoelectronics and Manufacturing Division
Operations and identifiable assets by industry segment
Total revenues	206,990	221,424	243,990
Capital expenditures	4,539	3,411	2,801
Depreciation and amortization	5,842	5,028	4,971
Corporate
Operations and identifiable assets by industry segment
Income (loss) from operations	(27,199)	(17,455)	(11,497)
Segments assets	64,970	82,789	120,727
Capital expenditures	1,844	1,646	7,013
Depreciation and amortization	1,422	1,494	1,406
Operating Segments \| Security Division
Operations and identifiable assets by industry segment
Total revenues	411,212	481,087	440,439
Income (loss) from operations	37,845	67,804	59,501
Segments assets	519,068	470,808	535,306
Operating Segments \| Healthcare Division
Operations and identifiable assets by industry segment
Total revenues	211,458	255,691	222,313
Income (loss) from operations	8,351	24,666	18,495
Segments assets	200,067	223,412	190,612
Operating Segments \| Optoelectronics and Manufacturing Division
Operations and identifiable assets by industry segment
Total revenues	247,502	267,872	284,496
Income (loss) from operations	19,654	17,533	14,663
Segments assets	211,337	164,922	169,084
Eliminations
Operations and identifiable assets by industry segment
Total revenues	(40,512)	(46,448)	(40,506)
Income (loss) from operations	(277)	(440)	133
Segments assets	(3,719)	(4,642)	(4,652)
Eliminations \| Optoelectronics and Manufacturing Division
Operations and identifiable assets by industry segment
Total revenues	$ 40,512	$ 46,448	$ 40,506

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.18)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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