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

Represents the fair value as of the balance sheet date of insurance company contracts.

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- Definition

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

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- Definition

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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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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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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- Definition

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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