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CONTINGENCIES (Detail)
cubic_yard in Millions, $ in Millions
1 Months Ended 9 Months Ended
Oct. 02, 2021
USD ($)
site
Apr. 14, 2021
USD ($)
Feb. 24, 2021
municipality
Dec. 04, 2020
USD ($)
Oct. 10, 2018
mi
Jun. 30, 2018
USD ($)
Company
May 17, 2017
Hazardous_Substance
Mar. 30, 2017
Company
Mar. 31, 2016
USD ($)
Company
mi
Mar. 04, 2016
cubic_yard
mi
Apr. 11, 2014
mi
Apr. 30, 2015
mi
May 31, 2007
Company
mi
Oct. 02, 2021
USD ($)
site
Jan. 02, 2021
USD ($)
Loss Contingencies [Line Items]                              
Superfund sites | site 28                         28  
Environmental remediation costs deemed probable and reasonably estimable   $ 441.0             $ 1,400.0            
Environmental remediation, period construction of treatment facility to be maintained                           30 years  
Number of miles of river | mi         9       8.3 8.3 8.3 17 17    
Cubic yards of settlement | cubic_yard                   3.5          
Approximate implementation time                 6 years            
Number of other parties notified | Company                 105            
Number of companies offered cash out settlements | Company               20              
Number of hazardous substances | Hazardous_Substance             8                
Number of companies named in suit | Company           100                  
Estimated costs of remediation           $ 165.0                  
Number of municipalities, suit filed | municipality     42                        
Minimum                              
Loss Contingencies [Line Items]                              
Environmental remediation costs deemed probable and reasonably estimable       $ 420.0                      
Maximum                              
Loss Contingencies [Line Items]                              
Environmental remediation costs deemed probable and reasonably estimable       $ 468.0                      
Property, Plant and Equipment, Other Types                              
Loss Contingencies [Line Items]                              
Environmental remediation costs, reserve $ 154.7                         $ 154.7 $ 174.2
Reserve for environmental remediation costs, current 48.0                         48.0  
Reserve for environmental remediation costs, noncurrent 106.7                         106.7  
Accrual for environmental loss contingencies, EPA funded amount 16.1                         16.1  
Accrual for environmental loss contingencies, obligation after EPA funding 138.6                         138.6  
Property, Plant and Equipment, Other Types | Minimum                              
Loss Contingencies [Line Items]                              
Environmental remediation costs deemed probable and reasonably estimable 89.2                            
Property, Plant and Equipment, Other Types | Maximum                              
Loss Contingencies [Line Items]                              
Environmental remediation costs deemed probable and reasonably estimable 225.1                            
Centredale Site                              
Loss Contingencies [Line Items]                              
Environmental remediation costs deemed probable and reasonably estimable 61.1                            
Kerr McGee Chemical Site                              
Loss Contingencies [Line Items]                              
Environmental remediation costs, reserve $ 22.2                         $ 22.2  
Lower Passaic Cooperating Parties Group                              
Loss Contingencies [Line Items]                              
Number of companies | Company                         47