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Basis of Presentation - Fair Value (Details) $ in Thousands | 6 Months Ended |
--- | --- | ---
Dec. 31, 2016 USD ($) item | Jun. 30, 2016 USD ($)
Fair value of financial instruments |  |
Liabilities - Contingent payment obligations | $ 16,798 | $ 17,117
Property and Equipment |  |
Net value of turnkey security screening program assets at Mexico | $ 15,000 |
Goodwill Impairment |  |
Total number of reporting units | item | 3 |
Number of reporting units that are not tested with two-step goodwill impairment | item | 2 |
Goodwill impairment without two-step impairment test | $ 0 |
Percentage of decrease hypothetically applied to the fair value | 10.00% |
Goodwill impairment after two-step goodwill impairment test | $ 0 |
Recurring |  |
Fair value of financial instruments |  |
Equity securities | 330 | 354
Insurance company contracts | 24,273 | 21,353
Interest rate contract | 16 | (31)
Total assets | 24,619 | 21,676
Liabilities - Contingent payment obligations | 16,798 | 17,117
Recurring | Level 1 |  |
Fair value of financial instruments |  |
Equity securities | 330 | 354
Total assets | 330 | 354
Recurring | Level 2 |  |
Fair value of financial instruments |  |
Insurance company contracts | 24,273 | 21,353
Interest rate contract | 16 | (31)
Total assets | 24,289 | 21,322
Recurring | Level 3 |  |
Fair value of financial instruments |  |
Total assets | 0 | 0
Liabilities - Contingent payment obligations | $ 16,798 | $ 17,117

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