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Segment Information - Operations and Identifiable Assets (Details 2) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Mar. 31, 2016 USD ($) customer	Mar. 31, 2015 USD ($)	Jun. 30, 2015 USD ($) customer
Operations and identifiable assets by industry segment
Total revenues	$ 210,804	$ 215,375	$ 608,193	$ 691,601
Income (loss) from operations	13,344	$ 18,455	29,822	$ 61,180
Segments assets	$ 1,075,302		$ 1,075,302		$ 979,674
Servicio de Administracin Tributaria in Mexico | Revenue | Customer
Operations and identifiable assets by industry segment
Percentage of benchmark derived from specified source	14.00%	14.00%	14.00%	13.00%
International customers | Accounts receivable
Operations and identifiable assets by industry segment
Number Of Customers | customer			1		0
International customers | Accounts receivable | Customer
Operations and identifiable assets by industry segment
Percentage of benchmark derived from specified source			11.00%
U.S. Department of Defense | Revenue | Customer
Operations and identifiable assets by industry segment
Percentage of benchmark derived from specified source				10.00%
Corporate
Operations and identifiable assets by industry segment
Segments assets	$ 107,443		$ 107,443		$ 125,174
Operating Segments | Security Division
Operations and identifiable assets by industry segment
Total revenues	110,550	$ 99,164	300,680	$ 349,608
Income (loss) from operations	14,554	13,266	29,723	50,926
Segments assets	552,664		552,664		470,808
Operating Segments | Healthcare Division
Operations and identifiable assets by industry segment
Total revenues	49,113	59,383	156,126	176,710
Income (loss) from operations	(188)	3,707	6,130	11,258
Segments assets	202,924		202,924		223,412
Operating Segments | Optoelectronics and Manufacturing Division
Operations and identifiable assets by industry segment
Total revenues	61,306	65,291	184,414	199,912
Income (loss) from operations	5,325	5,008	14,078	13,701
Segments assets	216,640		216,640		164,922
Operating Segments | Corporate
Operations and identifiable assets by industry segment
Income (loss) from operations	(6,077)	(3,498)	(19,182)	(13,748)
Eliminations
Operations and identifiable assets by industry segment
Total revenues	(10,165)	(8,463)	(33,027)	(34,629)
Income (loss) from operations	(270)	$ (28)	(927)	$ (957)
Segments assets	$ (4,369)		$ (4,369)		$ (4,642)

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