Leases (Details) - USD ($) $ in Millions		12 Months Ended
		Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Lease Assets and Liabilities [Abstract]
Operating lease ROU assets		$ 59.1	$ 52.1
Operating lease ROU assets, Statement of Financial Position [Extensible List]		Other Assets, Noncurrent	Other Assets, Noncurrent
Finance lease ROU assets	[1]	$ 7.1	$ 7.7
Finance lease ROU assets, Statement of Financial Position [Extensible List]		Property, Plant and Equipment, Net	Property, Plant and Equipment, Net
Operating lease liabilities, current		$ 11.8	$ 12.7
Operating lease liabilities, current, Statement of Financial Position [Extensible List]		Other Liabilities, Current	Other Liabilities, Current
Operating lease liabilities, noncurrent		$ 48.9	$ 41.2
Operating lease liabilities, noncurrent, Statement of Financial Position [Extensible List]		Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Finance lease liabilities, current		$ 0.4	$ 0.4
Finance lease liabilities, current, Statement of Financial Position [Extensible List]		Long-Term Debt and Lease Obligation, Current	Long-Term Debt and Lease Obligation, Current
Finance lease liabilities, noncurrent		$ 2.3	$ 2.8
Finance lease liabilities, noncurrent, Statement of Financial Position [Extensible List]		Long-Term Debt and Lease Obligation	Long-Term Debt and Lease Obligation
Accumulated amortization		$ 3.2	$ 2.8
Components of Lease Expense [Abstract]
Operating lease expense	[2]	21.9	20.0	$ 19.5
Finance lease expense [Abstract]
Depreciation of ROU assets		0.5	0.5	0.5
Interest on lease liabilities		0.1	0.2	0.2
Total lease expense		22.5	20.7	20.2
Short-term lease expense		5.7	4.2	3.5
Cash paid for amounts included in measurement of lease liabilities [Abstract]
Operating cash flows for operating leases		14.6	15.7	14.2
Financing cash flows for finance leases		0.5	0.6	0.6
ROU assets obtained in exchange for lease liabilities [Abstract]
Operating leases		21.2	7.8	9.8
Finance leases		$ 0.0	$ 0.1	$ 0.1
Weighted-average remaining lease term [Abstract]
Operating leases		8 years 3 months 18 days	8 years 6 months
Finance leases		5 years 9 months 18 days	6 years 9 months 18 days
Weighted-average discount rate [Abstract]
Operating leases		3.70%	3.40%
Finance leases		4.60%	4.60%
Maturity of Operating Lease Liabilities [Abstract]
Fiscal 2024		$ 13.8
Fiscal 2025		11.5
Fiscal 2026		10.1
Fiscal 2027		8.4
Fiscal 2028		7.3
Fiscal 2029 and beyond		19.2
Total lease payments		70.3
Less: Interest		(9.6)
Present value of lease liabilities		60.7
Maturities of Finance Lease Liabilities [Abstract]
Fiscal 2024		0.5
Fiscal 2025		0.5
Fiscal 2026		0.5
Fiscal 2027		0.5
Fiscal 2028		0.5
Fiscal 2029 and beyond		0.6
Total lease payments		3.1
Less: Interest		(0.4)
Present value of lease liabilities		$ 2.7
Minimum [Member]
Significant Accounting Policy [Abstract]
Remaining lease term		1 year
Maximum [Member]
Significant Accounting Policy [Abstract]
Remaining lease term		11 years

[1] Finance lease ROU assets were recorded net of accumulated amortization of $3.2 million and $2.8 million as of March 31, 2023 and 2022, respectively.

[2] In fiscal 2023, 2022, and 2021 operating lease expense included short-term lease expense of $5.7 million, $4.2 million, and $3.5 million respectively. Variable lease expense was not significant.