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Acquisitions - Mestrelab (Details)
€ in Millions, $ in Millions
12 Months Ended
Dec. 04, 2018
USD ($)
Dec. 04, 2018
EUR (€)
Oct. 01, 2018
USD ($)
Oct. 01, 2018
EUR (€)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Acquisitions              
Payments to Acquire Businesses, Net of Cash Acquired         $ 59.2 $ 90.0 $ 191.6
Mestrelab              
Acquisitions              
Remaining ownership percentage     49.00% 49.00%      
Mestrelab              
Acquisitions              
Ownership percentage acquired 26.10% 26.10% 24.90% 24.90%      
Voting Equity Interest Included in Options Provided to Shareholders Percentage         49.00%    
Payments to Acquire Businesses, Net of Cash Acquired $ 5.9 € 5.2 $ 5.4 € 4.7      
Stock Based Compensation Benefit           $ 2.3  
Mestrelab | Existing technology              
Acquisitions              
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life     9 years 9 years      
Mestrelab | Customer relationships              
Acquisitions              
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life     10 years 10 years      
Mestrelab | Trade name              
Acquisitions              
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life     9 years 9 years