Basis of Presentation - Fair Value (Details) $ in Thousands	6 Months Ended
Dec. 31, 2018 USD ($) segment item	Jun. 30, 2018 USD ($)
Fair Value of Financial Instruments
Liabilities - Contingent payment obligations	$ 19,997	$ 15,713
Goodwill and Other Intangible Assets and Valuation of Long Lived Assets
Number of reporting units \| item	3
Two of the Company's three reporting units
Goodwill and Other Intangible Assets and Valuation of Long Lived Assets
Number of reporting units \| segment	2
Goodwill impairment	$ 0
Third reporting unit
Goodwill and Other Intangible Assets and Valuation of Long Lived Assets
Goodwill impairment	0
Recurring
Fair Value of Financial Instruments
Insurance company contracts	30,622	31,897
Interest rate contract	9	18
Total assets	30,631	31,915
Liabilities - Contingent payment obligations	19,997	15,713
Recurring \| Level 2
Fair Value of Financial Instruments
Insurance company contracts	30,622	31,897
Interest rate contract	9	18
Total assets	30,631	31,915
Recurring \| Level 3
Fair Value of Financial Instruments
Total assets	0	0
Liabilities - Contingent payment obligations	$ 19,997	$ 15,713

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Amount of liability recognized arising from contingent consideration in a business combination.

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Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.

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Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

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