Long-Term Debt - Summary (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Apr. 22, 2021	Apr. 05, 2021	Dec. 07, 2019	Dec. 06, 2019	Sep. 27, 2019
Long-term debt
Debt, gross	$ 653,971
Long-term debt, net	614,948	$ 590,683
Accrual of payment-in-kind interest on Second Lien Credit Facility	$ 18,380	$ 3,642
Weighted average interest rate (as a percent)	9.00%	8.00%
7.750% Senior Secured Notes due 2026
Long-term debt
Debt, gross	$ 350,000	$ 350,000
Unamortized discount and other debt issuance costs	(4,599)	(5,594)
Total debt, net	$ 345,401	344,406
Interest rate (as a percent)	7.75%		7.75%
Principal Amount			$ 350,000
Second Lien Facility
Long-term debt
Debt, gross	$ 217,721	199,342
Unamortized discount and other debt issuance costs	(32,308)	(36,701)
Total debt, net	185,413	162,641
Principal Amount	190,000	190,000		$ 190,000
Exit fee	5,700	5,700
Accrual of payment-in-kind interest on Second Lien Credit Facility	22,000	3,600
4.50% Convertible Senior Notes due 2026
Long-term debt
Debt, gross	86,250	86,250
Unamortized discount and other debt issuance costs	(2,116)	(2,614)
Total debt, net	$ 84,134	$ 83,636
Interest rate (as a percent)	4.50%
Principal Amount							$ 86,300
ABL Credit Facility
Long-term debt
Maximum borrowing capacity	$ 45,000				$ 45,000	$ 30,000