RETIREMENT ANNUITY AND GUARANTEED CONTINUOUS EMPLOYMENT PLANS (Obligations and Funded Status) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Change in benefit obligations
Benefit obligations at beginning of year	$ 1,033,725	$ 991,979
Service cost	23,188	21,538	17,331
Interest cost	37,225	41,584	44,161
Plan participants' contributions	221	334
Plan amendments	1,623	(3,681)
Actuarial (gain) loss	(91,851)	70,015
Defined Benefit Plan, Benefits Paid	59,296	86,722
Settlement/curtailment	(1,390)	(3,946)
Currency translation	(2,003)	2,624
Benefit obligations at end of year	941,442	1,033,725	991,979
Change in plan assets
Fair value of plan assets at beginning of year	813,897	749,456
Actual return on plan assets	101,044	83,156
Employer contributions	85,456	68,029
Plan participants' contributions	221	334
Benefits paid	(57,644)	(85,238)
Settlement	(1,390)	(3,798)
Currency translation	(1,589)	1,958
Fair value of plan assets at end of year	939,995	813,897	749,456
Net amount recognized
Funded status at end of year	(1,447)	(219,828)
Unrecognized net loss	258,781	422,042
Unrecognized prior service cost	(2,547)	(4,101)
Unrecognized transition assets, net	26	26
Net amount recognized	$ 254,813	$ 198,139