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Organization and Summary of Accounting Policies - CARES ACT (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended	24 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Jun. 30, 2021	Mar. 31, 2022	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Proceeds from grants received	$ 1.0			$ 87.0
Grant funds	1.2	$ 15.1
Accelerated payments			$ 120.0
Repayments of grants received	18.0
Deferred accelerated payments	42.0			42.0	$ 60.0
Deferred accrued payroll and benefits	$ 8.5			$ 8.5	$ 8.5