Debt - Schedule of Debt and Capital Lease Obligations (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Current portion of finance lease	$ 0.1	$ 0.1
Current portion of debt	0.1	0.1
Long-term debt	714.6	699.4
Non-current portion of finance lease and other debt	1.6	1.7
Total debt	714.7	699.5
Senior unsecured credit facility
Debt Instrument [Line Items]
Long-term debt	15.0	0.0
4.7% senior notes due 2025
Debt Instrument [Line Items]
Senior notes	300.0	300.0
4.7% senior notes due 2025 and 3.95% senior notes due 2027
Debt Instrument [Line Items]
Senior notes --- original issue discount	(0.6)	(0.7)
Senior notes --- deferred financing costs	(1.4)	(1.6)
3.95% senior notes due 2027
Debt Instrument [Line Items]
Senior notes	$ 400.0	$ 400.0