Fair Value Measurements - Schedule of Fair Value Measurements (Details) - Recurring - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Financial Assets
Trading securities held in deferred compensation plan	$ 20.8	$ 16.8
Interest rate swaps	30.2	9.4
Cross-currency interest rate swaps	13.5	15.7
Total	64.5	41.9
Financial Liabilities
Deferred compensation plans	28.6	24.7
Interest rate swaps	0.4
Cross-currency interest rate swaps	42.8	63.1
Foreign currency forwards	0.2
Contingent consideration	35.0	42.2
Total	107.0	130.0
Level 1
Financial Assets
Trading securities held in deferred compensation plan	20.8	16.8
Interest rate swaps	0.0	0.0
Cross-currency interest rate swaps	0.0	0.0
Total	20.8	16.8
Financial Liabilities
Deferred compensation plans	28.6	24.7
Interest rate swaps	0.0
Cross-currency interest rate swaps	0.0	0.0
Foreign currency forwards	0.0
Contingent consideration	0.0	0.0
Total	28.6	24.7
Level 2
Financial Assets
Trading securities held in deferred compensation plan	0.0	0.0
Interest rate swaps	30.2	9.4
Cross-currency interest rate swaps	13.5	15.7
Total	43.7	25.1
Financial Liabilities
Deferred compensation plans	0.0	0.0
Interest rate swaps	0.4
Cross-currency interest rate swaps	42.8	63.1
Foreign currency forwards	0.2
Contingent consideration	0.0	0.0
Total	43.4	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
Total	0.0	0.0
Financial Liabilities
Deferred compensation plans	0.0	0.0
Interest rate swaps	0.0
Cross-currency interest rate swaps	0.0	0.0
Foreign currency forwards	0.0
Contingent consideration	35.0	42.2
Total	$ 35.0	$ 42.2