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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2017
GOODWILL AND OTHER INTANGIBLE ASSETS        
Goodwill impairment $ 0.0 $ 0.0    
Impairment of intangible assets 0.0 0.0 $ 0.0  
Amortization expense $ 4.9 $ 6.0 $ 5.0  
Products & Services        
GOODWILL AND OTHER INTANGIBLE ASSETS        
Goodwill impairment       $ 139.3
Trade name        
GOODWILL AND OTHER INTANGIBLE ASSETS        
Amortized period of intangible assets 10 years      
Minimum        
GOODWILL AND OTHER INTANGIBLE ASSETS        
Amortized period of intangible assets 2 years      
Minimum | Customer lists        
GOODWILL AND OTHER INTANGIBLE ASSETS        
Amortized period of intangible assets 4 years      
Maximum        
GOODWILL AND OTHER INTANGIBLE ASSETS        
Amortized period of intangible assets 12 years      
Maximum | Customer lists        
GOODWILL AND OTHER INTANGIBLE ASSETS        
Amortized period of intangible assets 10 years      
Maximum | Other intangible assets        
GOODWILL AND OTHER INTANGIBLE ASSETS        
Amortized period of intangible assets 19 years