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Basis of Presentation and Principles of Consolidation - Additional Information (Detail) - USD ($)
$ in Millions
1 Months Ended 9 Months Ended
Jun. 20, 2023
Jul. 29, 2022
Jun. 30, 2023
Jul. 31, 2022
Jan. 31, 2022
Sep. 30, 2023
Sep. 30, 2022
Basis Of Presentation And Principles Of Consolidation [Line Items]              
Payments to acquire business net of cash           $ 784.1 $ 214.0
Assa Businesses [Member]              
Basis Of Presentation And Principles Of Consolidation [Line Items]              
Payments to acquire business net of cash $ 16.3   $ 16.3        
Payments to acquire businesses gross 809.3   809.3        
Purchase price not yet paid as cash 23.4   $ 23.4        
Cash transferred from acquisition 16.3            
Fair value allocated to assets acquired and liabilities assumed [1] $ 809.3            
Aqualisa Holdings International Ltd [Member]              
Basis Of Presentation And Principles Of Consolidation [Line Items]              
Payments to acquire business net of cash       $ 4.8      
Business acquisition, percentage of outstanding equity acquired   100.00%   100.00%      
Payments to acquire businesses gross   $ 156.0   $ 156.0      
Cash transferred from acquisition   4.8          
Fair value allocated to assets acquired and liabilities assumed   $ 156.0          
Solar Innovations LLC [Member]              
Basis Of Presentation And Principles Of Consolidation [Line Items]              
Business acquisition, percentage of outstanding equity acquired         100.00%    
Payments to acquire businesses gross         $ 61.6    
Cash transferred from acquisition         4.8    
Fair value allocated to assets acquired and liabilities assumed         $ 61.6    
[1]

(a) Net assets exclude $16.3 million of cash transferred to the Company as the result of the acquisition.