PENSION PLANS (Detail) (Pension Plans Defined Benefit [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Pension Plans Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 40,274	$ 36,276	$ 33,332
Interest cost	26,303	26,361	25,248
Expected return on plan assets	(33,585)	(31,635)	(28,904)
Prior service cost	1,201	1,210	1,111
Recognized net actuarial loss	11,023	5,464	1,815
Defined Benefit Plan, Curtailments	0	194	(1,245)
Defined Benefit Plan, Net Periodic Benefit Cost	$ 45,216	$ 37,870	$ 31,357