Leases (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Operating lease cost	$ 23.4	$ 23.6	$ 47.0	$ 46.6
Cash payments for operating leases			46.7	43.9
Right-of-use assets obtained in exchange for operating lease obligations			$ 35.6	$ 27.7
Weighted average remaining lease term - operating leases	6 years 1 month 6 days		6 years 1 month 6 days		6 years 7 months 6 days
Weighted average discount rate - operating leases	4.00%		4.00%		3.80%
Maturities of operating lease liabilities
2023 (remaining six months)	$ 32.3		$ 32.3
2024	57.1		57.1
2025	44.2		44.2
2026	31.5		31.5
2027	23.1		23.1
Thereafter	72.2		72.2
Total operating lease payments	260.4		260.4
Less: imputed interest	(35.8)		(35.8)
Total operating lease liabilities	224.6		224.6
Maximum
Finance right-of-use assets	1.0		1.0
Finance right-of-use obligations	$ 1.0		$ 1.0