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Basis of Presentation - Fair Value (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Sep. 30, 2018 USD ($) item | Jun. 30, 2018 USD ($)
Fair Value of Financial Instruments |  |
Liabilities - Contingent payment obligations | $ 21,102 | $ 15,713
Goodwill and Other Intangible Assets and Valuation of Long Lived Assets |  |
Total number of reporting units | item | 3 |
Recurring |  |
Fair Value of Financial Instruments |  |
Insurance company contracts | $ 33,497 | 31,897
Interest rate contract | 13 | 18
Total assets | 33,510 | 31,915
Liabilities - Contingent payment obligations | 21,102 | 15,713
Recurring | Level 2 |  |
Fair Value of Financial Instruments |  |
Insurance company contracts | 33,497 | 31,897
Interest rate contract | 13 | 18
Total assets | 33,510 | 31,915
Recurring | Level 3 |  |
Fair Value of Financial Instruments |  |
Total assets | 0 |
Liabilities - Contingent payment obligations | $ 21,102 | $ 15,713

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