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Intangible Assets - Components of Intangible Assets (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Value $ 187.7 $ 187.7
Accumulated Amortization (26.4) (23.0)
Total $ 161.3 164.7
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Weighted Average Useful Life 17 years  
Gross Carrying Value $ 160.9 160.9
Accumulated Amortization (18.0) (15.6)
Total $ 142.9 145.3
Technology    
Finite-Lived Intangible Assets [Line Items]    
Weighted Average Useful Life 6 years  
Gross Carrying Value $ 26.8 26.8
Accumulated Amortization (8.4) (7.4)
Total $ 18.4 $ 19.4