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Basis of Presentation - Fair Value (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Jun. 30, 2019
Fair Value of Financial Instruments    
Liabilities-contingent consideration $ 13,206 $ 16,577
Recurring    
Fair Value of Financial Instruments    
Insurance company contracts 32,441 35,899
Liabilities-contingent consideration 13,206 16,577
Recurring | Level 2    
Fair Value of Financial Instruments    
Insurance company contracts 32,441 35,899
Recurring | Level 3    
Fair Value of Financial Instruments    
Total assets 0 0
Liabilities-contingent consideration $ 13,206 $ 16,577