Debt (Components of Debt) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021
Line Of Credit Facility [Line Items]
Less: unamortized debt issuance costs	$ (2,356)	$ (2,404)
Current portion of long-term debt	26,144	23,721
Less: unamortized debt issuance costs	(4,121)	(4,760)
Long-term debt, less current portion	297,379	315,865
Total debt	323,523	339,586
Term Loan
Line Of Credit Facility [Line Items]
Current portion of long-term debt	28,500	26,125
Less: unamortized debt issuance costs	(2,356)	(2,404)
Long-term debt, less current portion	301,500	320,625
Less: unamortized debt issuance costs	$ (4,121)	$ (4,760)