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Stock-Based Compensation - 2017 Omnibus Plan (Details) - 2017 Omnibus Plan - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024	May 19, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock based awards, shares available for grant (in shares)	1,500
Stock-based awards, unrecognized compensation expense	$ 8.2
Unrecognized compensation cost, weighted average service period for recognition	1 year 8 months 12 days
Aggregate intrinsic value of options outstanding	$ 53.4
Aggregate intrinsic value of options exercisable	49.2
Intrinsic value of options exercised	$ 14.0	$ 20.0	$ 12.1
Performance awards performance period	3 years
Restricted stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation cost, weighted average service period for recognition	1 year 9 months 18 days
Unrecognized compensation expense	$ 17.5
Intrinsic value of options vested	$ 12.5	$ 15.0	$ 8.4
Granted (in shares)	135
Performance-based restricted stock units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation cost, weighted average service period for recognition	1 year 10 months 24 days
Unrecognized compensation expense	$ 13.7
Granted (in shares)	97
Performance Shares, Based On Return On Invested Capital
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance award percentage	50.00%	50.00%	50.00%
Performance Shares, Based On Free Cash Flow Or Cash Flow From Operations
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance award percentage	50.00%	50.00%	50.00%
Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock approved for issuance (in shares)				5,000