Fair Value Measurements (Assets And Liabilities Measured At Fair Value On Recurring Basis) (Details) - Recurring - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan assets	$ 30.8	$ 44.7
Derivatives assets	0.2	0.1
Contingent consideration	3.6	0.0
Total assets measured at fair value	34.6	44.8
Deferred compensation plan liabilities	30.8	44.7
Derivatives liabilities	0.3	0.2
Contingent consideration liabilities	0.0	12.8
Total liabilities measured at fair value	31.1	57.7
(Level I)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan assets	30.8	44.7
Derivatives assets	0.0	0.0
Contingent consideration	0.0	0.0
Total assets measured at fair value	30.8	44.7
Deferred compensation plan liabilities	30.8	44.7
Derivatives liabilities	0.0	0.0
Contingent consideration liabilities	0.0	0.0
Total liabilities measured at fair value	30.8	44.7
(Level II)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan assets	0.0	0.0
Derivatives assets	0.2	0.1
Contingent consideration	0.0	0.0
Total assets measured at fair value	0.2	0.1
Deferred compensation plan liabilities	0.0	0.0
Derivatives liabilities	0.3	0.2
Contingent consideration liabilities	0.0	0.0
Total liabilities measured at fair value	0.3	0.2
(Level III)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan assets	0.0	0.0
Derivatives assets	0.0	0.0
Contingent consideration	3.6	0.0
Total assets measured at fair value	3.6	0.0
Deferred compensation plan liabilities	0.0	0.0
Derivatives liabilities	0.0	0.0
Contingent consideration liabilities	0.0	12.8
Total liabilities measured at fair value	$ 0.0	$ 12.8