PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Plan Asset) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	$ 595,829	$ 558,567
DefinedBenefitPlanAmountsRecognizedInBalanceSheetAbstract
Pension and other postretirement liabilities	(5,120)	(4,280)
Accrued pension and other postretirement benefit costs	(226,687)	(138,904)
Pension Plans Defined Benefit [Member]
DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward
Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance	(558,567)	(460,202)
Defined Benefit Plan, Actual Return on Plan Assets	37,574	82,863
Contributions made by employer	46,306	48,074
DefinedBenefitPlanContributionsByPlanParticipants	1,734	2,331
DefinedBenefitPlanBusinessCombinationsAndAcquisitionsPlanAssets	0	0
DefinedBenefitPlanBenefitsPaid	(40,765)	(34,253)
DefinedBenefitPlanSettlementsPlanAssets	(1,299)	(2,206)
DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets	(6,288)	1,556
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	595,829	558,567
DefinedBenefitPlanFundedStatusOfPlan	(201,531)	(115,625)
DefinedBenefitPlanAmountsRecognizedInBalanceSheetAbstract
Defined Benefit Plan, Assets for Plan Benefits, Noncurrent	6,041	7,142
Pension and other postretirement liabilities	(3,523)	(2,620)
Accrued pension and other postretirement benefit costs	(204,049)	(120,147)
DefinedBenefitPlanAmountsRecognizedInBalanceSheet	(201,531)	(115,625)
DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTaxAbstract
DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	180,640	69,355
DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	1,990	2,537
DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	182,630	71,892
DefinedBenefitPlanAmountsThatWillBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossInNextFiscalYearAbstract
DefinedBenefitPlanAmortizationOfNetGainsLosses	15,470	5,933
DefinedBenefitPlanAmortizationOfNetPriorServiceCostCredit	619	631
DefinedBenefitPlanAccumulatedBenefitObligation	753,878	641,892
DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract
DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation	770,241	604,515
DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	726,760	528,148
DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	562,669	473,078
Defined Benefit Plan, Assets for Plan Benefits, Noncurrent	6,041	7,142
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	1,565	1,069
DefinedBenefitPlanContributionsByPlanParticipants	364	350
DefinedBenefitPlanBusinessCombinationsAndAcquisitionsPlanAssets	0	0
DefinedBenefitPlanBenefitsPaid	(1,929)	(1,419)
DefinedBenefitPlanSettlementsPlanAssets	0	0
DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets	0	0
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	0	0
DefinedBenefitPlanFundedStatusOfPlan	(23,250)	(20,416)
DefinedBenefitPlanAmountsRecognizedInBalanceSheetAbstract
Defined Benefit Plan, Assets for Plan Benefits, Noncurrent	0	0
Pension and other postretirement liabilities	(1,603)	(1,659)
Accrued pension and other postretirement benefit costs	(21,647)	(18,757)
DefinedBenefitPlanAmountsRecognizedInBalanceSheet	(23,250)	(20,416)
DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTaxAbstract
DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	(8,264)	(12,350)
DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	(4,686)	(5,343)
DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	(12,950)	(17,693)
DefinedBenefitPlanAmountsThatWillBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossInNextFiscalYearAbstract
DefinedBenefitPlanAmortizationOfNetGainsLosses	(551)	(811)
DefinedBenefitPlanAmortizationOfNetPriorServiceCostCredit	(657)	(657)
DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract
Defined Benefit Plan, Assets for Plan Benefits, Noncurrent	$ 0	$ 0