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Acquisitions - Reportable Segment for Acquisitions (Details)
$ in Millions
3 Months Ended
Mar. 31, 2020
USD ($)
Mar. 31, 2019
USD ($)
entity
Acquisitions    
Cash Consideration $ 22.0 $ 16.1
2019 Acquisitions    
Acquisitions    
Number of Businesses Acquired | entity   2
Consideration 18.6  
Cash Consideration 16.4  
Arxspan, LLC    
Acquisitions    
Consideration 16.6  
Cash Consideration 14.4  
Ampegon PPT GmbH    
Acquisitions    
Consideration 2.0  
Cash Consideration $ 2.0