Income Taxes - Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Current Income Tax Expense (Benefit)
Federal	$ (2,398)	$ (57,335)	$ (7,082)
State and Local	94	70	405
Total Current Income Tax Expense (Benefit)	(2,304)	(57,265)	(6,677)
Deferred Income Tax Expense (Benefit)
Federal		112,414	(6,525)
State and Local		5,476	(2,060)
Total Deferred Income Tax Expense (Benefit)		117,890	(8,585)
Total Income Tax Expense (Benefit)	$ (2,304)	$ 60,625	$ (15,262)
Reconciliation of federal statutory rate to effective rate
Federal income tax at statutory rate (as a percent)	21.00%	21.00%	21.00%
State and local income tax, net (as a percent)		(1.40%)	2.70%
Nondeductible expenses (as a percent)	(0.10%)	(0.10%)	(1.10%)
Nondeductible drug fee (as a percent)		(0.10%)	(1.60%)
Foreign rate differential (as a percent)			(0.10%)
Income tax credits (as a percent)	0.10%	0.20%	2.50%
Unrecognized tax benefits (as a percent)			(5.00%)
Change in tax laws (as a percent)	1.00%	5.10%	15.40%
Excess tax benefits on share-based compensation (as a percent)	(0.20%)	(0.30%)	(0.80%)
Valuation allowance (as a percent)	(20.80%)	(44.30%)
Other (as a percent)		(0.10%)	(1.60%)
Effective income tax rate (as a percent)	1.00%	(20.00%)	31.40%