PENSION PLANS (Detail) (Pension Plans Defined Benefit [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Pension Plans Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 10,061	$ 9,346	$ 30,194	$ 28,002
Interest cost	6,564	6,563	19,695	19,671
Expected return on plan assets	(8,382)	(7,994)	(25,152)	(23,956)
Prior service cost	300	303	901	903
Unrecognized acturial loss	2,755	1,243	8,266	3,732
Defined Benefit Plan, Curtailments	0	0	0	53
Defined Benefit Plan, Net Periodic Benefit Cost	$ 11,298	$ 9,461	$ 33,904	$ 28,405