Segment Information - Schedule of Adjusted Depreciation and Amortization (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Depreciation and amortization	$ 17.8	$ 15.6	$ 17.9
Adjusted depreciation and amortization	13.6	10.5	12.2
Corporate and Reconciling Items
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjusted depreciation and amortization	13.6	10.5	12.2
Purchase Accounting and Related Adjustments | Corporate and Reconciling Items
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Depreciation and amortization	$ (4.2)	$ (5.1)	$ (5.7)