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Basis of Presentation - Fair Value (Details) $ in Thousands | 6 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Dec. 31, 2016 USD ($) item | Mar. 31, 2017 USD ($) item | Jun. 30, 2016 USD ($)
Fair Value of Financial Instruments |  |  |
Liabilities - Contingent payment obligations |  | $ 14,347 | $ 17,117
Property and Equipment |  |  |
Net value of turnkey security screening program assets not in use 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 |  | $ 266 | 354
Insurance company contracts |  | 25,614 | 21,353
Interest rate contract |  | 22 | (31)
Total assets |  | 25,902 | 21,676
Liabilities - Contingent payment obligations |  | 14,347 | 17,117
Recurring | Level 1 |  |  |
Fair Value of Financial Instruments |  |  |
Equity securities |  | 266 | 354
Total assets |  | 266 | 354
Recurring | Level 2 |  |  |
Fair Value of Financial Instruments |  |  |
Insurance company contracts |  | 25,614 | 21,353
Interest rate contract |  | 22 | (31)
Total assets |  | 25,636 | 21,322
Recurring | Level 3 |  |  |
Fair Value of Financial Instruments |  |  |
Total assets |  | 0 |
Liabilities - Contingent payment obligations |  | $ 14,347 | $ 17,117

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