Leases (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($) option	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) option	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Lessee, Lease, Description [Line Items]
Options for renewal | option	1		1
Assets and Liabilities, Lessee [Abstract]
Total right-of-use assets - net	$ 103.7		$ 103.7		$ 107.2
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued expenses		Accrued expenses		Accrued expenses
Current lease liabilities	$ 18.2		$ 18.2		$ 17.6
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other noncurrent liabilities		Other noncurrent liabilities		Other noncurrent liabilities
Noncurrent lease liabilities	$ 89.8		$ 89.8		$ 93.4
Total lease liabilities	108.0		108.0		111.0
Lease, Cost [Abstract]
Operating lease cost	11.4	$ 9.3	27.8	$ 23.8
Variable lease cost	0.6	0.7	1.8	1.9
Total lease expense	12.0	$ 10.0	29.6	25.7
Cash paid for amounts included in the measurement of operating lease liabilities			28.1	23.1
Right-of-use assets obtained in exchange for new operating lease liabilities			7.1	$ 13.9
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2022 (excluding the nine months ended September 30, 2022)	5.3		5.3
2023	20.3		20.3
2024	17.6		17.6
2025	16.1		16.1
2026	14.0		14.0
Thereafter	49.3		49.3
Total lease payments	122.6		122.6
Less: Imputed interest	(14.6)		(14.6)
Building
Assets and Liabilities, Lessee [Abstract]
Total right-of-use assets - net	99.0		99.0		101.0
Equipment
Assets and Liabilities, Lessee [Abstract]
Total right-of-use assets - net	$ 4.7		$ 4.7		$ 6.2
Building and Equipment
Lease, Cost [Abstract]
Weighted-average remaining lease term (years): Operating leases	7 years 9 months 10 days		7 years 9 months 10 days		8 years 6 months
Weighted-average discount rate: Operating leases	3.24%		3.24%		3.27%
Vehicles
Lease, Cost [Abstract]
Weighted-average remaining lease term (years): Operating leases	2 years 1 month 9 days		2 years 1 month 9 days		2 years 4 months 2 days
Weighted-average discount rate: Operating leases	1.16%		1.16%		1.08%