Segment Information - Schedule of Purchase Accounting and Related Adjustments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Corporate and Reconciling Items
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Purchase accounting and related adjustments:	$ 3.8	$ 4.2	$ 9.8	$ 19.4
General and Administrative Expense
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Purchase accounting and related adjustments:	2.8	3.0	6.7	15.4
General and Administrative Expense | Corporate and Reconciling Items
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Purchase accounting and related adjustments:	2.8	3.0	6.7	15.4
Purchase accounting and related adjustments, amortization of purchase price				1.3
Depreciation and Amortization Expense | Corporate and Reconciling Items
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Purchase accounting and related adjustments:	$ 1.0	$ 1.2	$ 3.1	$ 4.0