PENSION (Future Service) (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months	$ 42,851
Defined Benefit Plan, Expected Future Benefit Payments, Year Two	45,663
Defined Benefit Plan, Expected Future Benefit Payments, Year Three	47,238
Defined Benefit Plan, Expected Future Benefit Payments, Year Four	49,465
Defined Benefit Plan, Expected Future Benefit Payments, Year Five	49,702
Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter	276,897
Pension Plans Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months	41,156
Defined Benefit Plan, Expected Future Benefit Payments, Year Two	43,992
Defined Benefit Plan, Expected Future Benefit Payments, Year Three	45,581
Defined Benefit Plan, Expected Future Benefit Payments, Year Four	47,843
Defined Benefit Plan, Expected Future Benefit Payments, Year Five	48,088
Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter	269,063
UnitedStatesPostretirementBenefitPlansOfUSEntityDefinedBenefitMember
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months	1,695
Defined Benefit Plan, Expected Future Benefit Payments, Year Two	1,671
Defined Benefit Plan, Expected Future Benefit Payments, Year Three	1,657
Defined Benefit Plan, Expected Future Benefit Payments, Year Four	1,622
Defined Benefit Plan, Expected Future Benefit Payments, Year Five	1,614
Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter	$ 7,834