PENSION (Fair Value) (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	$ 963,364	$ 912,702
Cash And Cash Equivalents [Member]
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	16,105	33,272
EquitySecuritiesMember
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	358,082	388,343
DebtSecuritiesMember
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	578,797	481,169
Other Plan Assets
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	10,380	9,918
FairValueInputsLevel1Member
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	370,668	748,888
FairValueInputsLevel1Member | Cash And Cash Equivalents [Member]
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	16,105	730
FairValueInputsLevel1Member | EquitySecuritiesMember
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	341,575	370,028
FairValueInputsLevel1Member | DebtSecuritiesMember
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	9,316	373,963
FairValueInputsLevel1Member | Other Plan Assets
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	3,672	4,167
FairValueInputsLevel2Member
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	585,988	158,063
FairValueInputsLevel2Member | Cash And Cash Equivalents [Member]
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	0	32,542
FairValueInputsLevel2Member | EquitySecuritiesMember
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	16,507	18,315
FairValueInputsLevel2Member | DebtSecuritiesMember
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	569,481	107,206
FairValueInputsLevel2Member | Other Plan Assets
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	0	0
FairValueInputsLevel3Member
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	6,708	5,751
FairValueInputsLevel3Member | Cash And Cash Equivalents [Member]
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	0	0
FairValueInputsLevel3Member | EquitySecuritiesMember
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	0	0
FairValueInputsLevel3Member | DebtSecuritiesMember
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	0	0
FairValueInputsLevel3Member | Other Plan Assets
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	$ 6,708	$ 5,751