Leases (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Operating lease cost	$ 23.1	$ 19.9	$ 69.8	$ 58.8
Cash payments for operating leases			65.4	58.9
Right-of-use assets obtained in exchange for operating lease obligations			$ 39.0	$ 36.6
Weighted average remaining lease term - operating leases	6 years 3 months 18 days		6 years 3 months 18 days		5 years 9 months 18 days
Weighted average discount rate - operating leases	3.50%		3.50%		3.30%
Maturities of operating lease liabilities
2022 (remaining three months)	$ 15.8		$ 15.8
2023	56.7		56.7
2024	46.4		46.4
2025	33.8		33.8
2026	22.6		22.6
Thereafter	71.6		71.6
Total operating lease payments	246.9		246.9
Less: imputed interest	(28.4)		(28.4)
Total operating lease liabilities	218.5		218.5
Maximum
Finance right-of-use assets	1.0		1.0
Finance right-of-use obligations	$ 1.0		$ 1.0