Long-term Debt (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 2,921.4	$ 2,920.6
Long-term Debt, Fair Value	2,727.5	2,702.0
Long-term Debt, Current Maturities	0.1	0.1
Long-term Debt, Excluding Current Maturities	2,921.3	2,920.5
4.650% Notes Due 2028 (less unamortized discount and issuance costs of $1.0 and $2.3, respectively)
Debt Instrument [Line Items]
Par Value	$ 500.0
Maturity Date	Oct. 01, 2028
Interest Rate Stated Percentage	4.65%
Effective Interest Rate	4.78%
Unamortized Discount	$ 0.6
Issuance Cost	1.6
Long-term Debt, Gross	497.8	497.6
4.750% Notes Due 2030 (less unamortized discount and issuance costs of $2.8 and $4.1, respectively)
Debt Instrument [Line Items]
Par Value	$ 650.0
Maturity Date	Mar. 30, 2030
Interest Rate Stated Percentage	4.75%
Effective Interest Rate	4.92%
Unamortized Discount	$ 2.1
Issuance Cost	3.1
Long-term Debt, Gross	644.8	644.6
2.400% Notes Due 2031 (less unamortized discount and issuance costs of $0.6 and $3.6, respectively)
Debt Instrument [Line Items]
Par Value	$ 500.0
Maturity Date	Mar. 01, 2031
Effective Interest Rate	2.512%
Unamortized Discount	$ 0.5
Issuance Cost	2.8
Long-term Debt, Gross	496.7	496.6
5.375% Notes Due 2033 (less unamortized discount and issuance costs of $3.7 and $3.3, respectively)
Debt Instrument [Line Items]
Par Value	$ 300.0
Maturity Date	Jun. 15, 2033
Interest Rate Stated Percentage	5.375%
Effective Interest Rate	5.65%
Unamortized Discount	$ 3.2
Issuance Cost	2.6
Long-term Debt, Gross	$ 294.2	294.0
3.375% Notes Due 2041 (less unamortized discount and issuance costs of $1.0 and $5.1, respectively)
Debt Instrument [Line Items]
Maturity Date	Mar. 01, 2041
Effective Interest Rate	3.448%
Unamortized Discount	$ 0.9
Issuance Cost	4.6
Long-term Debt, Gross	494.5	494.4
5.400% Notes Due 2048 (less unamortized discount and issuance costs of $2.6 and $4.7, respectively)
Debt Instrument [Line Items]
Par Value	$ 500.0
Maturity Date	Oct. 01, 2048
Interest Rate Stated Percentage	5.40%
Effective Interest Rate	5.48%
Unamortized Discount	$ 2.5
Issuance Cost	4.4
Long-term Debt, Gross	493.1	493.1
Other notes payable and capitalized leases
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 0.3	$ 0.3
Unsecured Debt 2.400% Note [Member]
Debt Instrument [Line Items]
Interest Rate Stated Percentage	2.40%
Unsecured Debt 3.375% Note
Debt Instrument [Line Items]
Par Value	$ 500.0
Interest Rate Stated Percentage	3.375%