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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Fair Value) (Detail) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plan Fair Value Disclosure [Line Items]    
DefinedBenefitPlanFairValueOfPlanAssets $ 956,884 $ 963,364
Cash And Cash Equivalents    
Defined Benefit Plan Fair Value Disclosure [Line Items]    
DefinedBenefitPlanFairValueOfPlanAssets 22,742 16,105
Total equity    
Defined Benefit Plan Fair Value Disclosure [Line Items]    
DefinedBenefitPlanFairValueOfPlanAssets 275,109 358,082
DebtSecuritiesMember    
Defined Benefit Plan Fair Value Disclosure [Line Items]    
DefinedBenefitPlanFairValueOfPlanAssets 650,832 578,797
Other Plan Assets    
Defined Benefit Plan Fair Value Disclosure [Line Items]    
DefinedBenefitPlanFairValueOfPlanAssets 8,201 10,380
Quoted Prices in Active Markets for Identical Assets (Level 1)    
Defined Benefit Plan Fair Value Disclosure [Line Items]    
DefinedBenefitPlanFairValueOfPlanAssets 291,821 370,668
Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash And Cash Equivalents    
Defined Benefit Plan Fair Value Disclosure [Line Items]    
DefinedBenefitPlanFairValueOfPlanAssets 22,742 16,105
Quoted Prices in Active Markets for Identical Assets (Level 1) | Total equity    
Defined Benefit Plan Fair Value Disclosure [Line Items]    
DefinedBenefitPlanFairValueOfPlanAssets 258,246 341,575
Quoted Prices in Active Markets for Identical Assets (Level 1) | DebtSecuritiesMember    
Defined Benefit Plan Fair Value Disclosure [Line Items]    
DefinedBenefitPlanFairValueOfPlanAssets 8,245 9,316
Quoted Prices in Active Markets for Identical Assets (Level 1) | Other Plan Assets    
Defined Benefit Plan Fair Value Disclosure [Line Items]    
DefinedBenefitPlanFairValueOfPlanAssets 2,588 3,672
Significant Observable Inputs (Level 2)    
Defined Benefit Plan Fair Value Disclosure [Line Items]    
DefinedBenefitPlanFairValueOfPlanAssets 659,450 585,988
Significant Observable Inputs (Level 2) | Cash And Cash Equivalents    
Defined Benefit Plan Fair Value Disclosure [Line Items]    
DefinedBenefitPlanFairValueOfPlanAssets 0 0
Significant Observable Inputs (Level 2) | Total equity    
Defined Benefit Plan Fair Value Disclosure [Line Items]    
DefinedBenefitPlanFairValueOfPlanAssets 16,863 16,507
Significant Observable Inputs (Level 2) | DebtSecuritiesMember    
Defined Benefit Plan Fair Value Disclosure [Line Items]    
DefinedBenefitPlanFairValueOfPlanAssets 642,587 569,481
Significant Observable Inputs (Level 2) | Other Plan Assets    
Defined Benefit Plan Fair Value Disclosure [Line Items]    
DefinedBenefitPlanFairValueOfPlanAssets 0 0
Significant Unobservable Inputs (Level 3)    
Defined Benefit Plan Fair Value Disclosure [Line Items]    
DefinedBenefitPlanFairValueOfPlanAssets 5,613 6,708
Significant Unobservable Inputs (Level 3) | Cash And Cash Equivalents    
Defined Benefit Plan Fair Value Disclosure [Line Items]    
DefinedBenefitPlanFairValueOfPlanAssets 0 0
Significant Unobservable Inputs (Level 3) | Total equity    
Defined Benefit Plan Fair Value Disclosure [Line Items]    
DefinedBenefitPlanFairValueOfPlanAssets 0 0
Significant Unobservable Inputs (Level 3) | DebtSecuritiesMember    
Defined Benefit Plan Fair Value Disclosure [Line Items]    
DefinedBenefitPlanFairValueOfPlanAssets 0 0
Significant Unobservable Inputs (Level 3) | Other Plan Assets    
Defined Benefit Plan Fair Value Disclosure [Line Items]    
DefinedBenefitPlanFairValueOfPlanAssets $ 5,613 $ 6,708