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Acquisitions - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Aug. 18, 2023
Apr. 01, 2023
Feb. 01, 2023
Jan. 03, 2023
Dec. 01, 2022
Nov. 01, 2022
Oct. 01, 2022
Sep. 01, 2022
Feb. 01, 2022
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Air Treatment                            
Business Acquisition [Line Items]                            
Cash consideration for acquisition       $ 519.0                    
Expected tax deductible amount of goodwill acquired                   $ 0.0   $ 0.0    
Paragon Tank Truck Equipment                            
Business Acquisition [Line Items]                            
Cash consideration for acquisition     $ 42.2                      
EcoPlant Technological Innovation Ltd                            
Business Acquisition [Line Items]                            
Cash consideration for acquisition   $ 29.5                        
Contingent consideration   $ 17.0                        
Roots                            
Business Acquisition [Line Items]                            
Cash consideration for acquisition $ 291.9                          
Series of Individually Immaterial Business Acquisitions                            
Business Acquisition [Line Items]                            
Purchase consideration                       43.1   $ 19.9
Total                            
Business Acquisition [Line Items]                            
Revenue from acquisition date                   83.1   192.1    
Operating income from acquisition date                   2.1   9.0    
Jorc                            
Business Acquisition [Line Items]                            
Cash consideration for acquisition                 $ 30.2          
Westwood Technical Limited                            
Business Acquisition [Line Items]                            
Cash consideration for acquisition               $ 8.1            
Contingent consideration               9.3            
Holtec Gas Systems LLC                            
Business Acquisition [Line Items]                            
Cash consideration for acquisition               13.0            
Hydro Prokav Pumps (India) Private Limited                            
Business Acquisition [Line Items]                            
Cash consideration for acquisition               $ 14.0            
Dosatron International L.L.C                            
Business Acquisition [Line Items]                            
Cash consideration for acquisition             $ 89.5              
Contingent consideration             $ 14.7              
Pedro Gil Construcciones Mecanicas, S.L.                            
Business Acquisition [Line Items]                            
Cash consideration for acquisition           $ 18.4                
Everest Blower Systems Private Limited                            
Business Acquisition [Line Items]                            
Cash consideration for acquisition         $ 75.3                  
Contingent consideration         $ 12.1                  
MD Pneumatics and Kinney Vacuum Pumps and All Others                            
Business Acquisition [Line Items]                            
Revenue from acquisition date                   28.1 $ 6.8 92.2 $ 15.9  
Operating income from acquisition date                   $ 5.6 $ 1.0 $ 14.8 $ 3.0