Commitments and Contingencies (Future Minimum Lease Payments) (Details) $ in Millions		12 Months Ended
	Mar. 01, 2019 USD ($) ft²	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Finance Lease, Right-of-Use Asset, Amortization		$ 13.2	$ 11.9	$ 10.3
Finance Lease, Interest Expense		0.7	0.5	0.7
Operating Lease, Cost		67.7	62.2	62.7
Short-term Lease, Cost		5.0	3.8	4.0
Variable Lease, Cost		24.5	21.6	20.3
Lease, Cost		111.1	100.0	98.0
Finance Lease, Right-of-Use Asset		33.3	34.5
Right-of-use assets from operating leases		219.9	196.1
Finance lease obligations		11.2	11.3
Finance Lease, Liability, Noncurrent		28.3	29.0
Current operating lease liabilities		63.3	54.8
Long-term operating lease liabilities		$ 161.8	$ 145.0
Finance Lease, Weighted Average Remaining Lease Term		3 years 7 months 6 days	3 years 10 months 24 days
Operating Lease, Weighted Average Remaining Lease Term		5 years 1 month 6 days	4 years 6 months
Finance Lease, Weighted Average Discount Rate, Percent		1.92%	1.14%
Operating Lease, Weighted Average Discount Rate, Percent		3.44%	2.62%
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]		Total property, plant and equipment, net	Total property, plant and equipment, net
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]		Long-term Debt and Lease Obligation, Current	Long-term Debt and Lease Obligation, Current
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]		Total long-term debt	Total long-term debt
Operating Lease, Payments		$ 66.0	$ 61.8	61.6
Finance Lease, Principal Payments		13.6	12.3	10.8
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability		14.4	14.6	15.4
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability		98.8	$ 61.8	$ 67.6
Area of Leased Office Building | ft²	192,000
Purchase Price of Property at End of Lease Term	$ 41.2
Percentage of Lease Balance as Final Payment End of Lease Term	87.00%
Operating Leases
2023		70.0
2024		53.2
2025		36.9
2026		29.0
2027		18.9
Thereafter		40.1
Total minimum lease payments		248.1
Less imputed interest		(23.0)
Present value of minimum payments		225.1
Finance Leases
2023		11.6
2024		8.4
2025		5.8
2026		2.5
2027		0.3
Thereafter		11.7
Total minimum lease payments		40.3
Less imputed interest		(0.8)
Present value of minimum payments		$ 39.5