Fair Value Measurements - Fair Value Measurements (Details) - Recurring - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Financial Assets
Trading securities held in deferred compensation plan	$ 21.0	$ 16.8
Interest rate swaps	1.4	9.4
Cross-currency interest rate swaps	27.3	15.7
Foreign currency forwards	1.8
Total	51.5	41.9
Financial Liabilities
Deferred compensation plan	28.7	24.7
Interest rate swaps	1.8
Cross-currency interest rate swaps		63.1
Contingent consideration	22.2	42.2
Foreign currency forwards	1.2
Total	53.9	130.0
Level 1
Financial Assets
Trading securities held in deferred compensation plan	21.0	16.8
Interest rate swaps	0.0	0.0
Cross-currency interest rate swaps	0.0	0.0
Foreign currency forwards	0.0
Total	21.0	16.8
Financial Liabilities
Deferred compensation plan	28.7	24.7
Interest rate swaps	0.0
Cross-currency interest rate swaps		0.0
Contingent consideration	0.0	0.0
Foreign currency forwards	0.0
Total	28.7	24.7
Level 2
Financial Assets
Trading securities held in deferred compensation plan	0.0	0.0
Interest rate swaps	1.4	9.4
Cross-currency interest rate swaps	27.3	15.7
Foreign currency forwards	1.8
Total	30.5	25.1
Financial Liabilities
Deferred compensation plan	0.0	0.0
Interest rate swaps	1.8
Cross-currency interest rate swaps		63.1
Contingent consideration	0.0	0.0
Foreign currency forwards	1.2
Total	3.0	63.1
Level 3
Financial Assets
Trading securities held in deferred compensation plan	0.0	0.0
Interest rate swaps	0.0	0.0
Cross-currency interest rate swaps	0.0	0.0
Foreign currency forwards	0.0
Total	0.0	0.0
Financial Liabilities
Deferred compensation plan	0.0	0.0
Interest rate swaps	0.0
Cross-currency interest rate swaps		0.0
Contingent consideration	22.2	42.2
Foreign currency forwards	0.0
Total	$ 22.2	$ 42.2