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Debt (Narrative - Senior Notes) (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Sep. 30, 2021 | Apr. 01, 2021
Senior Credit Facilities And Senior Notes |  |
Debt Instrument [Line Items] |  |
Net loss, amount free of restrictions | $ 48.5 |
Accumulated deficit, amount free of restrictions | $ 143.0 |
5.500% Senior Notes |  |
Debt Instrument [Line Items] |  |
Basis spread on treasury rate | 0.50% |
5.500% Senior Notes | Senior Notes |  |
Debt Instrument [Line Items] |  |
Coupon rate | 5.50% | 5.50%
Debt instrument redemption premium percentage, as a percentage of principal amount prepaid or redeemed | 1.00% |
Debt instrument, redemption period one | 5.500% Senior Notes | Senior Notes |  |
Debt Instrument [Line Items] |  |
Debt instrument redemption price percentage | 100.00% |
Debt instrument, redemption price, percentage of principal amount that may be redeemed, certain equity offerings | 40.00% |
Debt instrument, redemption price, certain equity offerings, percentage | 105.50% |
Debt instrument, redemption, period two | 5.500% Senior Notes | Senior Notes |  |
Debt Instrument [Line Items] |  |
Debt instrument redemption price percentage | 102.75% |
Debt instrument, redemption, period three | 5.500% Senior Notes | Senior Notes |  |
Debt Instrument [Line Items] |  |
Debt instrument redemption price percentage | 101.375% |
Debt instrument, redemption, period four | 5.500% Senior Notes | Senior Notes |  |
Debt Instrument [Line Items] |  |
Debt instrument redemption price percentage | 100.00% |
Change in Control | 5.500% Senior Notes | Senior Notes |  |
Debt Instrument [Line Items] |  |
Debt instrument redemption price percentage | 101.00% |
Certain Asset Disposition | 5.500% Senior Notes | Senior Notes |  |
Debt Instrument [Line Items] |  |
Debt instrument redemption price percentage | 100.00% |

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