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HELD FOR SALE, DIVESTITURES AND ACQUISITIONS (Preliminary Purchase Price) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2022
Jan. 01, 2022
Oct. 04, 2021
Mar. 31, 2022
Apr. 03, 2021
Business Acquisition [Line Items]          
Compensation expense       $ 6.3 $ 3.3
Land financing fees paid by the company       $ 4.5 $ 12.4
Merger Agreement          
Business Acquisition [Line Items]          
Consideration transferred     $ 4,000.0    
Stock issued (in shares)       27  
Share price (in dollars per share)     $ 151.00    
Dividends amount (in dollars per share)   $ 6.99      
Merger Agreement | Zurn          
Business Acquisition [Line Items]          
Fair value of company common stock issued to zurn $ 3,896.3        
Compensation expense 47.1        
Adjustment amount 35.0        
Land financing fees paid by the company 3.9        
Preexisting relationships (0.8)        
Consideration transferred $ 3,981.5        
Merger Agreement | Zurn | As Originally Reported          
Business Acquisition [Line Items]          
Fair value of company common stock issued to zurn   $ 3,896.3      
Compensation expense   47.1      
Adjustment amount   30.9      
Land financing fees paid by the company   3.9      
Preexisting relationships   (0.8)      
Consideration transferred   $ 3,977.4      
Merger Agreement | Zurn | Measurement period adjustments          
Business Acquisition [Line Items]          
Fair value of company common stock issued to zurn       $ 0.0  
Compensation expense       0.0  
Adjustment amount       4.1  
Land financing fees paid by the company       0.0  
Preexisting relationships       0.0  
Consideration transferred       $ 4.1