Debt (Interest Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Interest Expense, Debt [Abstract]
Debt discount and issuance costs write-off			$ 1,113
Gain on extinguishment of debt	$ 0	$ 0	0	$ (71)
Amortization of debt discount and issuance costs	1,127	1,155	3,437	3,677
Other	167	261	576	827
Total	16,560	14,457	48,910	47,806
Senior Secured Notes Due 2028
Interest Expense, Debt [Abstract]
Interest expense	5,568	5,568	16,704	16,733
Debt discount and issuance costs write-off	0	0	0	15
Gain on extinguishment of debt				(100)
Amortization of debt discount and issuance costs			849
Term B Loan
Interest Expense, Debt [Abstract]
Interest expense	6,097	6,468	20,673	19,919
Debt discount and issuance costs write-off	1,113	0	1,113	4,282
Amortization of debt discount and issuance costs			1,067
Letter of Credit
Interest Expense, Debt [Abstract]
Interest expense	$ 2,488	$ 1,005	$ 6,407	$ 2,424