Long-Term Debt - Net (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Nov. 25, 2020	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020	Dec. 07, 2020	Jun. 30, 2020
Long-term debt
Debt, gross		$ 629,598		$ 629,598
Total debt, net		610,698		610,698			$ 681,129
Less short-term borrowings and current portion of long-term debt							(88,189)
Long-term debt, net		$ 610,698		$ 610,698			592,940
Weighted average interest rate (as a percent)		7.90%	8.60%	7.90%	9.00%
Payment for extinguishment of debt				$ 78,353	$ 129,989
Term Loan A due 2020
Long-term debt
Debt, gross							48,844
Unamortized discount and other debt issuance costs							(433)
Total debt, net							48,411
Payment for extinguishment of debt	$ 42,000
Term Loan B due 2022
Long-term debt
Debt, gross		$ 543,348		543,348			572,857
Unamortized discount and other debt issuance costs		(16,162)		(16,162)			(23,278)
Total debt, net		$ 527,186		$ 527,186			549,579
Interest rate (as a percent)		6.38%		6.38%
4.50% Convertible Senior Notes due 2026
Long-term debt
Debt, gross		$ 86,250		$ 86,250			86,250
Unamortized discount and other debt issuance costs		(2,738)		(2,738)			(3,111)
Total debt, net		$ 83,512		$ 83,512			$ 83,139
Interest rate (as a percent)		4.50%		4.50%
Revolving Credit Facility due 2020
Long-term debt
Maximum borrowing capacity		$ 125,000		$ 125,000
ABL Credit Facility
Long-term debt
Maximum borrowing capacity		$ 30,000		$ 30,000		$ 30,000