Long-Term Debt - Net (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Nov. 25, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 07, 2020	Jun. 30, 2020
Long-term debt
Debt, gross		$ 639,435		$ 639,435
Total debt, net		617,828		617,828			$ 681,129
Less short-term borrowings and current portion of long-term debt		(39,345)		(39,345)			(88,189)
Long-term debt, net		$ 578,483		$ 578,483			592,940
Weighted average interest rate (as a percent)		7.80%	8.60%	7.90%	9.20%
Payment for extinguishment of debt				$ 68,516	$ 113,278
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		$ 553,185		553,185			572,857
Unamortized discount and other debt issuance costs		(18,746)		(18,746)			(23,278)
Total debt, net		$ 534,439		$ 534,439			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		(2,861)		(2,861)			(3,111)
Total debt, net		$ 83,389		$ 83,389			$ 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		$ 125,000
ABL Credit Facility
Long-term debt
Maximum borrowing capacity		$ 30,000		$ 30,000		$ 30,000