CONTINGENCIES (Detail) ft³ in Millions, $ in Millions								1 Months Ended	3 Months Ended
	Apr. 14, 2021 USD ($)	Dec. 04, 2020 USD ($)	Jun. 30, 2018 USD ($) site Company	Mar. 31, 2017 Company	Mar. 31, 2016 USD ($) age	Mar. 04, 2016 ft³	Apr. 11, 2014 mi	May 31, 2007 Company mi	Apr. 02, 2022 USD ($) site	Jan. 01, 2022 USD ($)
Loss Contingencies [Line Items]
Superfund sites | site									29
Environmental remediation costs deemed probable and reasonably estimable	$ 441.0				$ 1,400.0
Other assets, miscellaneous									$ 16.2
Environmental remediation, period construction of treatment facility to be maintained									30 years
Number of miles of river | mi							8.3	17
Cubic yards of settlement | ft³						3.5
Approximate implementation time					6 years
Number of other parties notified | age					105
Number of companies offered cash out settlements | Company				20
Number of companies named in suit | Company			100
Estimated costs of remediation			$ 165.0
Number of municipalities, suit filed | site			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									$ 156.6	$ 159.1
Reserve for environmental remediation costs, current									49.6
Reserve for environmental remediation costs, noncurrent									107.0
Accrual for environmental loss contingencies, obligation after EPA funding									140.4
Environmental remediation expense									22.2
Property, Plant and Equipment, Other Types | Minimum
Loss Contingencies [Line Items]
Environmental remediation costs deemed probable and reasonably estimable									92.6
Property, Plant and Equipment, Other Types | Maximum
Loss Contingencies [Line Items]
Environmental remediation costs deemed probable and reasonably estimable									226.0
Centredale Site
Loss Contingencies [Line Items]
Environmental remediation costs deemed probable and reasonably estimable									$ 54.5
Lower Passaic Cooperating Parties Group
Loss Contingencies [Line Items]
Number of companies | Company								47