Fair Value Measurements - Schedule of Fair Value Measurements (Details) - Recurring - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Financial Assets
Trading securities held in deferred compensation plan	$ 19.1	$ 16.8
Interest rate swaps	7.0	9.4
Cross-currency interest rate swaps	11.2	15.7
Foreign currency forwards	0.0
Total	37.3	41.9
Financial Liabilities
Deferred compensation plans	26.5	24.7
Interest rate swaps	7.0
Cross-currency interest rate swaps	3.3	63.1
Contingent consideration	98.7	42.2
Foreign currency forwards	1.4
Total	136.9	130.0
Level 1
Financial Assets
Trading securities held in deferred compensation plan	19.1	16.8
Interest rate swaps	0.0	0.0
Cross-currency interest rate swaps	0.0	0.0
Foreign currency forwards	0.0
Total	19.1	16.8
Financial Liabilities
Deferred compensation plans	26.5	24.7
Interest rate swaps	0.0
Cross-currency interest rate swaps	0.0	0.0
Contingent consideration	0.0	0.0
Foreign currency forwards	0.0
Total	26.5	24.7
Level 2
Financial Assets
Trading securities held in deferred compensation plan	0.0	0.0
Interest rate swaps	7.0	9.4
Cross-currency interest rate swaps	11.2	15.7
Foreign currency forwards	0.0
Total	18.2	25.1
Financial Liabilities
Deferred compensation plans	0.0	0.0
Interest rate swaps	7.0
Cross-currency interest rate swaps	3.3	63.1
Contingent consideration	0.0	0.0
Foreign currency forwards	1.4
Total	11.7	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 plans	0.0	0.0
Interest rate swaps	0.0
Cross-currency interest rate swaps	0.0	0.0
Contingent consideration	98.7	42.2
Foreign currency forwards	0.0
Total	$ 98.7	$ 42.2