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Goodwill and Other Intangible Assets - Finite and Indefinite Lived Assets (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]    
Gross Amount $ 352.4 $ 338.2
Accumulated Amortization (203.4) (169.8)
Total 149.0 168.4
Intangible assets, gross (excluding goodwill) 453.9 444.1
Total intangible assets, net $ 250.5 274.3
Patents and technology    
Finite-Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period 6 years  
Gross Amount $ 75.1 70.2
Accumulated Amortization (50.9) (44.5)
Total $ 24.2 25.7
Customer relationships and other intangibles    
Finite-Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period 7 years  
Gross Amount $ 277.3 268.0
Accumulated Amortization (152.5) (125.3)
Total 124.8 142.7
Trademarks and trade names    
Finite-Lived Intangible Assets [Line Items]    
Indefinite-lived intangibles, gross carrying amount $ 101.5 $ 105.9