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Long-term Debt -Summary of Long Term Debt (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025	Aug. 20, 2025
Borrowings
Unamortized discount and debt issuance costs	$ (26.3)	$ (27.3)
Other	14.9	13.7
Total debt	2,888.6	2,886.4
Less: Current portion of debt	4.9	4.8
Long-term debt	$ 2,883.7	2,881.6
5.55% Notes due 2040
Borrowings
Interest rate (as a percent)	5.55%		5.55%
Long-term debt, carrying amount	$ 500.0	500.0
5.55% Notes due 2040 \| Significant Observable Inputs (Level 2)
Borrowings
Fair value of notes	$ 500.0	505.6
5.25% Notes due 2035
Borrowings
Interest rate (as a percent)	5.25%		5.25%
Long-term debt, carrying amount	$ 500.0	500.0
5.25% Notes due 2035 \| Significant Observable Inputs (Level 2)
Borrowings
Fair value of notes	$ 505.8	511.1
2.20% Notes due 2032
Borrowings
Interest rate (as a percent)	2.20%
Long-term debt, carrying amount	$ 550.0	550.0
2.20% Notes due 2032 \| Significant Observable Inputs (Level 2)
Borrowings
Fair value of notes	$ 473.8	479.4
2.75% Notes due 2030
Borrowings
Interest rate (as a percent)	2.75%
Long-term debt, carrying amount	$ 750.0	750.0
2.75% Notes due 2030 \| Significant Observable Inputs (Level 2)
Borrowings
Fair value of notes	$ 701.0	707.8
3.75% Notes due 2027
Borrowings
Interest rate (as a percent)	3.75%
Long-term debt, carrying amount	$ 600.0	600.0
3.75% Notes due 2027 \| Significant Observable Inputs (Level 2)
Borrowings
Fair value of notes	$ 593.1	$ 597.1