Debt and Credit Agreements Long-Term Debt (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Long-term debt, gross	$ 2,920.6	$ 3,167.6
Long-term debt, current maturities	0.1	250.1
Long-term debt, excluding current maturities	2,920.5	2,917.5
Deb instrument, unamortized debt issuance costs	23.7	22.7
Long-term debt, fair value	2,702.0	2,975.3
4.200% Notes Due 2024 (less unamortized discount and issuance costs of $0.1 and $0.5, respectively)
Debt Instrument [Line Items]
Senior Notes	250.0
Long-term debt, gross	$ 0.0	249.9
Interest rate, stated percentage	4.20%
Debt instrument, interest rate, effective percentage	4.24%
4.650% Notes Due 2028 (less unamortized discount and issuance costs of $1.2 and $3.0, respectively)
Debt Instrument [Line Items]
Senior Notes	$ 500.0
Long-term debt, gross	497.6	497.0
Deb instrument, unamortized debt issuance costs	$ 1.7
Debt instrument, maturity date	Oct. 01, 2028
Interest rate, stated percentage	4.65%
Debt instrument, interest rate, effective percentage	4.78%
Debt Instrument, Unamortized Discount (Premium), Net	$ 0.7
4.750% Note Due 2030 (less unamortized discount and issuance costs of $3.2 and $5.1, respectively)
Debt Instrument [Line Items]
Senior Notes	650.0
Long-term debt, gross	644.6	643.6
Deb instrument, unamortized debt issuance costs	$ 3.2
Debt instrument, maturity date	Mar. 30, 2030
Interest rate, stated percentage	4.75%
Debt instrument, interest rate, effective percentage	4.92%
Debt Instrument, Unamortized Discount (Premium), Net	$ 2.2
2.400% Note Due 2031 (less unamortized discount and issuance costs of $0.7 and $4.3, respectively)
Debt Instrument [Line Items]
Senior Notes	500.0
Long-term debt, gross	496.6	496.0
Deb instrument, unamortized debt issuance costs	$ 2.9
Debt instrument, maturity date	Mar. 01, 2031
Interest rate, stated percentage	2.40%
Debt instrument, interest rate, effective percentage	2.512%
Debt Instrument, Unamortized Discount (Premium), Net	$ 0.5
3.375% Note Due 2041 (less unamortized discount and issuance costs of $1.1 and $5.5, respectively)
Debt Instrument [Line Items]
Senior Notes	500.0
Long-term debt, gross	494.4	494.1
Deb instrument, unamortized debt issuance costs	$ 4.7
Debt instrument, maturity date	Mar. 01, 2041
Interest rate, stated percentage	3.375%
Debt instrument, interest rate, effective percentage	3.448%
Debt Instrument, Unamortized Discount (Premium), Net	$ 0.9
5.40% Notes Due 2048 (less unamortized discount and issuance costs of $2.7 and $5.0, respectively)
Debt Instrument [Line Items]
Senior Notes	500.0
Long-term debt, gross	493.1	492.8
Deb instrument, unamortized debt issuance costs	$ 4.4
Debt instrument, maturity date	Oct. 01, 2048
Interest rate, stated percentage	5.40%
Debt instrument, interest rate, effective percentage	5.48%
Debt Instrument, Unamortized Discount (Premium), Net	$ 2.5
Other notes payable and capitalized leases
Debt Instrument [Line Items]
Long-term debt, gross	0.3	0.8
Unsecured Debt 5.375% Notes
Debt Instrument [Line Items]
Senior Notes	300.0
Long-term debt, gross	294.0	$ 293.4
Deb instrument, unamortized debt issuance costs	$ 2.7
Debt instrument, maturity date	Jun. 15, 2033
Interest rate, stated percentage	5.375%
Debt instrument, interest rate, effective percentage	5.65%
Debt Instrument, Unamortized Discount (Premium), Net	$ 3.3