Long-Term Debt and Credit Facilities - Securitization (Details) - USD ($) $ in Thousands		1 Months Ended	3 Months Ended	6 Months Ended
	Dec. 17, 2020	Dec. 31, 2020	Mar. 31, 2021	Sep. 30, 2021	Mar. 31, 2022	May 18, 2020
Proceeds from initial borrowings			$ 3,000
A/R Facility
Accounts Receivable from Securitization	$ 160,000
Minimum liquidity for A/R facility						$ 35,000
Forbearance fee						$ 5,000
Securitization Facility
Accounts Receivable from Securitization	$ 145,000
Accounts Receivable, Securitization, Term	5 years
Variable interest rate (as a percent)		8.75%
Available facility amount					$ 91,900
Initial funding supported by receivables	$ 92,000
Further funding supported by inventory and intellectual property	53,000
Proceeds from initial borrowings	92,000
Proceeds from additional borrowings				$ 53,000
Proceeds from issuance of debt used for repayment of previous debt	$ 83,000
Securitization Facility | Federal funds rate
Variable interest rate (as a percent)		0.50%
Securitization Facility | One-month adjusted LIBOR
Variable interest rate (as a percent)		1.00%
Securitization Facility | LIBOR
Variable interest rate (as a percent)		9.75%