ACCUMULATED OTHER COMPREHENSIVE INCOME (Details2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Pre-Tax Amount
Other comprehensive income (loss), before tax	$ (3,215)	$ (2,360)	$ (19,175)	$ 874
Tax (Expense) Benefit
Other comprehensive income (loss), tax	1,253	920	7,477	(341)
Net-of-Tax Amount
Other comprehensive income (loss)	(1,962)	(1,440)	(11,698)	533
Foreign Currency
Pre-Tax Amount
Unrealized net holding gain (loss) arising during the period	1,147	1,787	1,608	1,077
Tax (Expense) Benefit
Unrealized net holding gain (loss) arising during the period	(447)	(697)	(627)	(420)
Net-of-Tax Amount
Unrealized net holding gain (loss) arising during the period	700	1,090	981	657
Other comprehensive income (loss)			981	657
Pension and other benefit adjustments, net gain or loss
Pre-Tax Amount
Unrealized net holding gain (loss) arising during the period			(73)
Less: reclassification adjustment for net gain (loss) realized in net earnings	12	(346)	(2,763)	(1,037)
Tax (Expense) Benefit
Unrealized net holding gain (loss) arising during the period			28
Less: reclassification adjustment for net gain (loss) realized in net earnings	(5)	135	1,077	405
Net-of-Tax Amount
Unrealized net holding gain (loss) arising during the period			(45)
Less: reclassification adjustment for net gain (loss) realized in net earnings	7	(211)	(1,686)	(632)
Pension and other benefit adjustments, prior service credit
Pre-Tax Amount
Unrealized net holding gain (loss) arising during the period			1,223
Less: reclassification adjustment for net gain (loss) realized in net earnings		(417)	(2,888)	(1,249)
Tax (Expense) Benefit
Unrealized net holding gain (loss) arising during the period			(477)
Less: reclassification adjustment for net gain (loss) realized in net earnings		163	1,126	487
Net-of-Tax Amount
Unrealized net holding gain (loss) arising during the period			746
Less: reclassification adjustment for net gain (loss) realized in net earnings		(254)	(1,762)	(762)
Pension and other benefit adjustments, curtailment
Pre-Tax Amount
Less: reclassification adjustment for net gain (loss) realized in net earnings			(11,867)
Tax (Expense) Benefit
Less: reclassification adjustment for net gain (loss) realized in net earnings			4,628
Net-of-Tax Amount
Less: reclassification adjustment for net gain (loss) realized in net earnings			(7,239)
Pension and other benefit adjustments, settlement
Pre-Tax Amount
Less: reclassification adjustment for net gain (loss) realized in net earnings			(288)
Tax (Expense) Benefit
Less: reclassification adjustment for net gain (loss) realized in net earnings			113
Net-of-Tax Amount
Less: reclassification adjustment for net gain (loss) realized in net earnings			(175)
Unrealized Gains on Marketable Securities (Recorded in Investment income)
Pre-Tax Amount
Unrealized net holding gain (loss) arising during the period	(3,788)	(4,257)	(3,062)	1,250
Less: reclassification adjustment for net gain (loss) realized in net earnings	(7)	(15)	(252)	(40)
Tax (Expense) Benefit
Unrealized net holding gain (loss) arising during the period	1,477	1,660	1,194	(488)
Less: reclassification adjustment for net gain (loss) realized in net earnings	2	5	98	15
Net-of-Tax Amount
Unrealized net holding gain (loss) arising during the period	(2,311)	(2,597)	(1,868)	762
Less: reclassification adjustment for net gain (loss) realized in net earnings	(5)	(10)	(154)	(25)
Other comprehensive income (loss)			(2,022)	737
Unrealized Gain from Equity Method Investees' Cash Flow Hedge
Pre-Tax Amount
Unrealized net holding gain (loss) arising during the period	(763)	669	(1,389)	223
Less: reclassification adjustment for net gain (loss) realized in net earnings	184	219	576	650
Tax (Expense) Benefit
Unrealized net holding gain (loss) arising during the period	298	(261)	542	(87)
Less: reclassification adjustment for net gain (loss) realized in net earnings	(72)	(85)	(225)	(253)
Net-of-Tax Amount
Unrealized net holding gain (loss) arising during the period	(465)	408	(847)	136
Less: reclassification adjustment for net gain (loss) realized in net earnings	$ 112	$ 134	351	397
Other comprehensive income (loss)			$ (496)	$ 533