PENSION PLANS (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Pension Plans Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 40,170	$ 40,274	$ 36,276
Interest cost	27,777	26,303	26,361
Expected return on plan assets	(36,303)	(33,585)	(31,635)
Prior service cost	883	1,201	1,210
Recognized net actuarial loss	15,013	11,023	5,464
Defined Benefit Plan, Curtailments	13	0	194
Defined Benefit Plan, Net Periodic Benefit Cost	47,553	45,216	37,870
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	373	448	388
Interest cost	839	939	1,009
Expected return on plan assets	0	0	0
Prior service cost	(638)	(629)	(629)
Recognized net actuarial loss	(614)	(682)	(901)
Defined Benefit Plan, Curtailments	0	0	0
Defined Benefit Plan, Net Periodic Benefit Cost	$ (40)	$ 76	$ (133)