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Fair Value Measurements - Measured on a Recurring Basis (Details) - USD ($)
$ in Millions
Sep. 30, 2022
Dec. 31, 2021
Liabilities:    
Life insurance owned by company $ 12.7 $ 14.0
Fair Value, Measurements, Recurring    
Assets:    
Deferred compensation plan investments 0.8 0.9
Total assets 0.8 0.9
Liabilities:    
Deferred compensation arrangement 11.3 13.7
Contingent consideration 0.8 0.8
Total liabilities 12.1 14.5
Fair Value, Measurements, Recurring | Level 1    
Assets:    
Deferred compensation plan investments 0.8 0.9
Total assets 0.8 0.9
Liabilities:    
Deferred compensation arrangement 11.3 13.7
Contingent consideration 0.0 0.0
Total liabilities 11.3 13.7
Fair Value, Measurements, Recurring | Level 2    
Assets:    
Deferred compensation plan investments 0.0 0.0
Total assets 0.0 0.0
Liabilities:    
Deferred compensation arrangement 0.0 0.0
Contingent consideration 0.0 0.0
Total liabilities 0.0 0.0
Fair Value, Measurements, Recurring | Level 3    
Assets:    
Deferred compensation plan investments 0.0 0.0
Total assets 0.0 0.0
Liabilities:    
Deferred compensation arrangement 0.0 0.0
Contingent consideration 0.8 0.8
Total liabilities $ 0.8 $ 0.8