Debt (Components of Debt) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018
Line Of Credit Facility [Line Items]
Less: unamortized debt issuance costs	$ (489)	$ (493)
Current portion of long-term debt	9,011	9,007
Less: unamortized debt issuance costs	(1,261)	(1,751)
Long-term debt, less current portion	169,739	188,749
Total debt	178,750	197,756
Term Loan
Line Of Credit Facility [Line Items]
Current portion of long-term debt	9,500	9,500
Long-term debt, less current portion	$ 171,000	180,500
Revolving Facility
Line Of Credit Facility [Line Items]
Long-term debt, less current portion		$ 10,000