PENSION (Asset Class) (Detail)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Domestic Equities [Member]
Defined Benefit Plan Disclosure [Line Items]
DefinedBenefitPlanWeightedAverageAssetAllocations	53.00%	52.00%
DefinedBenefitPlanTargetPlanAssetAllocations	50.00%
DefinedBenefitPlanTargetPlanAssetAllocationsRangeMinimum		40.00%
DefinedBenefitPlanTargetPlanAssetAllocationsRangeMaximum		60.00%
International Equities [Member]
Defined Benefit Plan Disclosure [Line Items]
DefinedBenefitPlanWeightedAverageAssetAllocations	14.00%	15.00%
DefinedBenefitPlanTargetPlanAssetAllocations	15.00%
DefinedBenefitPlanTargetPlanAssetAllocationsRangeMinimum		10.00%
DefinedBenefitPlanTargetPlanAssetAllocationsRangeMaximum		20.00%
EquitySecuritiesMember
Defined Benefit Plan Disclosure [Line Items]
DefinedBenefitPlanWeightedAverageAssetAllocations	67.00%	67.00%
DefinedBenefitPlanTargetPlanAssetAllocations	65.00%
DefinedBenefitPlanTargetPlanAssetAllocationsRangeMinimum		55.00%
DefinedBenefitPlanTargetPlanAssetAllocationsRangeMaximum		75.00%
FixedIncomeFundsMember
Defined Benefit Plan Disclosure [Line Items]
DefinedBenefitPlanWeightedAverageAssetAllocations	33.00%	31.00%
DefinedBenefitPlanTargetPlanAssetAllocations	35.00%
DefinedBenefitPlanTargetPlanAssetAllocationsRangeMinimum		25.00%
DefinedBenefitPlanTargetPlanAssetAllocationsRangeMaximum		45.00%

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Target allocation of investments of this type to total plan assets presented on a weighted average basis.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(i)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)(i)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e2446-114920

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Target allocation maximum percentage of investments of this type to total plan assets presented on a weighted average basis.

+ References

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Target allocation minimum percentage of investments of this type to total plan assets presented on a weighted average basis.

+ References

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- Definition

Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e2446-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

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