PENSION (Fair Value) (Detail) - USD ($) $ in Thousands		Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2013
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets		$ 692,074		$ 595,829
CashAndCashEquivalentsMember
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets		26,251		24,354
EquitySecuritiesMember
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	[1]	435,931		379,467
DebtSecuritiesMember
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	[2]	219,417		183,068
Alternative Investments [Member]
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	[3]	9,720		8,169
Other Assets [Member]
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	[4]	755		771
FairValueInputsLevel1Member
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets		558,272		454,280
FairValueInputsLevel1Member | CashAndCashEquivalentsMember
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets		253		871
FairValueInputsLevel1Member | EquitySecuritiesMember
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	[1]	395,549		330,619
FairValueInputsLevel1Member | DebtSecuritiesMember
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	[2]	162,470		122,790
FairValueInputsLevel1Member | Alternative Investments [Member]
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	[3]	0		0
FairValueInputsLevel1Member | Other Assets [Member]
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	[4]	0		0
FairValueInputsLevel2Member
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets		123,327		132,609
FairValueInputsLevel2Member | CashAndCashEquivalentsMember
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets		25,998		23,483
FairValueInputsLevel2Member | EquitySecuritiesMember
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	[1]	40,382		48,848
FairValueInputsLevel2Member | DebtSecuritiesMember
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	[2]	56,947		60,278
FairValueInputsLevel2Member | Alternative Investments [Member]
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	[3]	0		0
FairValueInputsLevel2Member | Other Assets [Member]
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	[4]	0		0
FairValueInputsLevel3Member
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets		10,475		8,940		$ 11,577
FairValueInputsLevel3Member | CashAndCashEquivalentsMember
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets		0		0
FairValueInputsLevel3Member | EquitySecuritiesMember
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	[1]	0		0
FairValueInputsLevel3Member | DebtSecuritiesMember
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	[2]	0		0
FairValueInputsLevel3Member | Alternative Investments [Member]
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets	[3]	9,720		8,169
FairValueInputsLevel3Member | Other Assets [Member]
Defined Benefit Plan Fair Value Disclosure [Line Items]
DefinedBenefitPlanFairValueOfPlanAssets		$ 755	[4]	$ 771	[4]	$ 782

[1] This category consists of domestic and international equity securities. It is comprised of U.S. securities benchmarked against the S&P 500 index and Russell 2000 index, international mutual funds benchmarked against the MSCI EAFE index, global equity index mutual funds associated with our U.K. based pension plans and balanced funds associated with the U.K. and Canadian based pension plans.

[2] This category consists of domestic and international equity securities. It is comprised of U.S. securities benchmarked against the S&P 500 index and Russell 2000 index, international mutual funds benchmarked against the MSCI EAFE index, global equity index mutual funds associated with our U.K. based pension plans and balanced funds associated with the U.K. and Canadian based pension plans.(2)This category consists of domestic and international bonds. The domestic fixed income securities are benchmarked against the Barclays Capital Aggregate Bond index,

[3] This category consists of a guaranteed investment contract (GIC) in Switzerland. Amounts contributed to the plan are guaranteed by a foundation for occupational benefits that in turn entered into a group insurance contract and the foundation pays a guaranteed rate of interest that is reset annually.

[4] This category consists primarily of real estate investment trusts in Switzerland.