PENSION (Plan Assets) (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems
Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance	$ (776,482)
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	738,296	$ 776,482
FairValueInputsLevel3Member
FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems
Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance	(13,103)	(12,378)
DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld	150	226
DefinedBenefitPlanPurchasesSalesAndSettlements	(2,443)	(68)
DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets	(89)	567
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	10,721	13,103
Insurance Contracts [Member] \| FairValueInputsLevel3Member
FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems
Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance	(10,912)	(10,760)
DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld	163	167
DefinedBenefitPlanPurchasesSalesAndSettlements	(2,595)	(503)
DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets	(72)	488
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	8,408	10,912
Other Assets [Member]
FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems
Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance	(2,191)
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	2,313	2,191
Other Assets [Member] \| FairValueInputsLevel3Member
FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems
Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance	(2,191)	(1,618)
DefinedBenefitPlanActualReturnOnPlanAssetsStillHeld	(13)	58
DefinedBenefitPlanPurchasesSalesAndSettlements	152	436
DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets	(17)	79
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	$ 2,313	$ 2,191

Amount, measured using unobservable inputs, of increase (decrease) in plan assets of defined benefit plan from actual return (loss) on assets still held.

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- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-SubTopic 20
-Section 50
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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) plan assets of defined benefit plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
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- Definition

Amount, measured using unobservable input, of increase (decrease) in plan asset of defined benefit plan from purchase, sale and settlement of trade associated with underlying investment.

+ References

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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