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Segment Information - Operations and Identifiable Assets (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Sep. 30, 2018 USD ($) segment | Sep. 30, 2017 USD ($) customer | Jun. 30, 2018 USD ($)
Operations and identifiable assets by industry segment |  |  |
Number of identifiable industry segments | segment | 3 |  |
Total net revenues | $ 266,249 | $ 257,133 |
Income (Loss) from Operations | 16,257 | $ 19,394 |
Segments assets | $ 1,327,928 |  | $ 1,255,691
SAT in Mexico | Revenue | Customer Concentration Risk |  |  |
Operations and identifiable assets by industry segment |  |  |
Number of major customers | customer |  | 1 |
Concentration (as a percent) | 10.00% | 13.00% |
Operating Segments | Security Division |  |  |
Operations and identifiable assets by industry segment |  |  |
Total net revenues | $ 169,960 | $ 162,245 |
Income (Loss) from Operations | 23,050 | 22,693 |
Segments assets | 824,528 |  | 804,527
Operating Segments | Healthcare Division |  |  |
Operations and identifiable assets by industry segment |  |  |
Total net revenues | 38,273 | 45,529 |
Income (Loss) from Operations | (1,875) | 847 |
Segments assets | 167,913 |  | 167,611
Operating Segments | Optoelectronics and Manufacturing division |  |  |
Operations and identifiable assets by industry segment |  |  |
Total net revenues | 70,954 | 58,926 |
Income (Loss) from Operations | 6,825 | 5,175 |
Segments assets | 245,287 |  | 220,373
Corporate |  |  |
Operations and identifiable assets by industry segment |  |  |
Income (Loss) from Operations | (11,351) | (8,753) |
Segments assets | 93,648 |  | 66,453
Intersegment Eliminations |  |  |
Operations and identifiable assets by industry segment |  |  |
Total net revenues | (12,938) | (9,567) |
Income (Loss) from Operations | (392) | $ (568) |
Segments assets | $ (3,448) |  | $ (3,273)

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