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Acquisitions (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Nov. 02, 2020
Aug. 03, 2020
Jul. 20, 2020
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Business Acquisition [Abstract]                
Goodwill           $ 38.6 $ 38.7 $ 33.1
Goodwill, period decrease           $ 0.1 (5.6)  
Grathwol Automation, LLC                
Business Acquisition [Abstract]                
Asset Acquisition, Consideration Transferred $ 6.0              
Consideration transferred, deferred payment $ 1.8              
CON-E-CO                
Business Acquisition [Abstract]                
Total purchase price     $ 13.8          
Intangible assets     $ 4.3          
CON-E-CO | Customer Relationships                
Business Acquisition [Abstract]                
Acquired finite-lived intangible assets, weighted average useful life   9 years 8 years          
CON-E-CO | Trade names                
Business Acquisition [Abstract]                
Acquired finite-lived intangible assets, weighted average useful life     3 years          
BMH Systems                
Business Acquisition [Abstract]                
Total purchase price   $ 15.6            
Intangible assets   5.7            
Goodwill   $ 6.3            
Goodwill, period decrease         $ 0.1   $ (6.3)  
BMH Systems | Trade names                
Business Acquisition [Abstract]                
Acquired finite-lived intangible assets, weighted average useful life   15 years            
Con-e-Co                
Business Acquisition [Abstract]                
Increase (Decrease) in Intangible Assets, Current       $ 0.3 $ 0.4