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Other Intangible Assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]      
Future amortization expense 2018 $ 87.8    
Future amortization expense 2019 87.3    
Future amortization expense 2020 85.6    
Future amortization expense 2021 82.3    
Future amortization expense 2022 78.2    
Finite-Lived Intangible Assets [Line Items]      
Amortization expense of intangible assets 37.6 $ 21.1 $ 21.9
Acquired finite-lived intangible assets related to acquisitions 999.0 7.0  
Gross Amount 1,332.8 350.5  
Accumulated Amortization (238.0) (209.8)  
Net Amount 1,094.8 140.7  
Customer lists      
Finite-Lived Intangible Assets [Line Items]      
Gross Amount 857.2 267.3  
Accumulated Amortization (190.9) (172.2)  
Net Amount 666.3 95.1  
know-how technology      
Finite-Lived Intangible Assets [Line Items]      
Gross Amount 235.0 0.0  
Accumulated Amortization (6.5) 0.0  
Net Amount 228.5 0.0  
Trade names      
Finite-Lived Intangible Assets [Line Items]      
Gross Amount 226.2 68.8  
Accumulated Amortization (36.8) (33.8)  
Net Amount 189.4 35.0  
Other intangible assets      
Finite-Lived Intangible Assets [Line Items]      
Gross Amount 14.4 14.4  
Accumulated Amortization (3.8) (3.8)  
Net Amount $ 10.6 $ 10.6  
Minimum      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, useful life 7 years    
Maximum      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, useful life 15 years