PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Plan Asset) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward
Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance	$ (595,829)
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	692,074	$ 595,829
DefinedBenefitPlanAmountsRecognizedInBalanceSheetAbstract
Pension and other postretirement liabilities	(4,560)	(5,120)
Accrued pension and other postretirement benefit costs	(103,723)	(226,687)
Pension Plans Defined Benefit [Member]
DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward
Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance	(595,829)	(558,567)
Defined Benefit Plan, Actual Return on Plan Assets	(4,092)	37,574
Contributions made by employer	165,575	46,306
DefinedBenefitPlanContributionsByPlanParticipants	1,825	1,734
DefinedBenefitPlanBenefitsPaid	(60,662)	(40,765)
DefinedBenefitPlanSettlementsPlanAssets	(1,787)	(1,299)
DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets	(4,614)	(6,288)
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	692,074	595,829
DefinedBenefitPlanFundedStatusOfPlan	(82,636)	(201,531)
DefinedBenefitPlanAmountsRecognizedInBalanceSheetAbstract
Defined Benefit Plan, Assets for Plan Benefits, Noncurrent	3,667	6,041
Pension and other postretirement liabilities	(2,998)	(3,523)
Accrued pension and other postretirement benefit costs	(83,305)	(204,049)
DefinedBenefitPlanAmountsRecognizedInBalanceSheet	(82,636)	(201,531)
DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTaxAbstract
DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	203,729	180,640
DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	(1,635)	1,990
DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	202,094	182,630
DefinedBenefitPlanAmountsThatWillBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossInNextFiscalYearAbstract
DefinedBenefitPlanAmortizationOfNetGainsLosses	12,373	15,470
DefinedBenefitPlanAmortizationOfNetPriorServiceCostCredit	(50)	619
DefinedBenefitPlanAccumulatedBenefitObligation	736,688	753,878
DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract
DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	721,626	770,241
DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	683,605	726,760
DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	635,323	562,669
Defined Benefit Plan, Assets for Plan Benefits, Noncurrent	3,667	6,041
Domestic Other Post-Employment Benefits Plan
DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward
Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance	0	0
Defined Benefit Plan, Actual Return on Plan Assets	0	0
Contributions made by employer	1,265	1,565
DefinedBenefitPlanContributionsByPlanParticipants	345	364
DefinedBenefitPlanBenefitsPaid	(1,610)	(1,929)
DefinedBenefitPlanSettlementsPlanAssets	0	0
DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets	0	0
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	0	0
DefinedBenefitPlanFundedStatusOfPlan	(21,980)	(23,250)
DefinedBenefitPlanAmountsRecognizedInBalanceSheetAbstract
Defined Benefit Plan, Assets for Plan Benefits, Noncurrent	0	0
Pension and other postretirement liabilities	(1,562)	(1,603)
Accrued pension and other postretirement benefit costs	(20,418)	(21,647)
DefinedBenefitPlanAmountsRecognizedInBalanceSheet	(21,980)	(23,250)
DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTaxAbstract
DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	(8,846)	(8,264)
DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	(4,030)	(4,686)
DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	(12,876)	(12,950)
DefinedBenefitPlanAmountsThatWillBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossInNextFiscalYearAbstract
DefinedBenefitPlanAmortizationOfNetGainsLosses	(571)	(551)
DefinedBenefitPlanAmortizationOfNetPriorServiceCostCredit	(657)	(657)
DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract
Defined Benefit Plan, Assets for Plan Benefits, Noncurrent	$ 0	$ 0