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Intangible Assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]      
Amortization expense of intangible assets $ 24.6 $ 20.3 $ 20.7
Estimated Amortization Expense      
2021 25.6    
2022 25.5    
2023 25.2    
2024 24.9    
2025 24.6    
AMS      
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Amount 419.0 336.5  
Accumulated Amortization 106.9 82.0  
Accumulated Impairments 20.7 20.7  
Accumulated Foreign Exchange (2.8) 2.5  
Net Carrying Amount 294.2 231.3  
AMS | Trade names      
Finite-Lived Intangible Assets [Line Items]      
Accumulated Impairments 0.1 0.1  
Accumulated Foreign Exchange (0.6) 0.0  
Gross carrying amount 20.0 20.0  
Net carrying amount 20.5 19.9  
AMS | Customer relationships      
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Amount 339.8 276.3  
Accumulated Amortization 88.5 67.7  
Accumulated Impairments 0.0 0.0  
Accumulated Foreign Exchange (2.9) 1.8  
Net Carrying Amount 254.2 206.8  
AMS | Developed technology      
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Amount 42.1 34.0  
Accumulated Amortization 14.1 10.9  
Accumulated Impairments 0.0 0.0  
Accumulated Foreign Exchange (0.2) 0.4  
Net Carrying Amount 28.2 22.7  
AMS | Trade names      
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Amount 32.7 21.8  
Accumulated Amortization 1.4 0.8  
Accumulated Impairments 20.7 20.7  
Accumulated Foreign Exchange 0.3 0.3  
Net Carrying Amount 10.3 0.0  
AMS | Non-compete agreements      
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Amount 2.9 2.9  
Accumulated Amortization 2.4 2.2  
Accumulated Impairments 0.0 0.0  
Accumulated Foreign Exchange 0.0 0.0  
Net Carrying Amount 0.5 0.7  
AMS | Patents      
Finite-Lived Intangible Assets [Line Items]      
Gross Carrying Amount 1.5 1.5  
Accumulated Amortization 0.5 0.4  
Accumulated Impairments 0.0 0.0  
Accumulated Foreign Exchange 0.0 0.0  
Net Carrying Amount $ 1.0 $ 1.1