PENSION (Plan Assets) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems
Defined Benefit Plan, Plan Assets, Amount, Beginning Balance	$ 738,296
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	835,139	$ 738,296
FairValueInputsLevel3Member
FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems
Defined Benefit Plan, Plan Assets, Amount, Beginning Balance	10,721	13,103
DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld	115	150
DefinedBenefitPlanPurchasesSalesAndSettlements	(6,693)	(2,443)
DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets	81	(89)
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	4,224	10,721
Insurance Contracts [Member]
FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems
Defined Benefit Plan, Plan Assets, Amount, Beginning Balance	8,408
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance		8,408
Insurance Contracts [Member] | FairValueInputsLevel3Member
FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems
Defined Benefit Plan, Plan Assets, Amount, Beginning Balance	8,408	10,912
DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld	0	163
DefinedBenefitPlanPurchasesSalesAndSettlements	(8,408)	(2,595)
DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets	0	(72)
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	0	8,408
Other Assets [Member]
FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems
Defined Benefit Plan, Plan Assets, Amount, Beginning Balance	2,313
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	4,224	2,313
Other Assets [Member] | FairValueInputsLevel3Member
FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems
Defined Benefit Plan, Plan Assets, Amount, Beginning Balance	2,313	2,191
DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld	115	(13)
DefinedBenefitPlanPurchasesSalesAndSettlements	1,715	152
DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets	81	(17)
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	$ 4,224	$ 2,313