Debt (Long-term debt) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Total Debt:
Long-term Debt, Gross	$ 859,215	$ 1,091,000
Total Amount Outstanding	838,908	1,070,711
Less Current Portion:
Current Portion	0	(3,000)
Noncurrent Portion	838,908	1,067,711
Senior Secured Notes Due 2028 And Term B Loan [Member]
Total Debt:
Unamortized debt discount and issuance costs	(20,307)	(20,289)
Senior Secured Notes Due 2028 [Member]
Total Debt:
Long-term Debt, Gross	405,882	800,000
Term B Loan [Member]
Total Debt:
Long-term Debt, Gross	453,333	0
Prior Term Loan B [Member]
Total Debt:
Long-term Debt, Gross	0	291,000
Less Current Portion:
Current Portion	$ 0	$ (3,000)