ACCUMULATED OTHER COMPREHENSIVE INCOME (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013
Reclassifications out of Accumulated Other Comprehensive Income
General and administrative: Other	$ 17,034	$ 33,347
Investment (income) expense	282	(3,337)
Equity in earnings of non-consolidated entities	(23,274)	(23,820)
Amounts reclassified from accumulated other comprehensive income		(306)
Gains Reclassified from Accumulated Other Comprehensive Income
Reclassifications out of Accumulated Other Comprehensive Income
Amounts reclassified from accumulated other comprehensive income		(306)
Amortization of pension and other benefit adjustments
Reclassifications out of Accumulated Other Comprehensive Income
Amounts reclassified from accumulated other comprehensive income		(38)
Amortization of pension and other benefit adjustments | Gains Reclassified from Accumulated Other Comprehensive Income
Reclassifications out of Accumulated Other Comprehensive Income
General and administrative: Other		(38)
Unrealized gains on marketable securities
Reclassifications out of Accumulated Other Comprehensive Income
Amounts reclassified from accumulated other comprehensive income		(21)
Unrealized gains on marketable securities | Gains Reclassified from Accumulated Other Comprehensive Income
Reclassifications out of Accumulated Other Comprehensive Income
Investment (income) expense		(21)
Unrealized Gain from Equity Method Investees' Cash Flow Hedge
Reclassifications out of Accumulated Other Comprehensive Income
Amounts reclassified from accumulated other comprehensive income		(247)
Unrealized Gain from Equity Method Investees' Cash Flow Hedge | Gains Reclassified from Accumulated Other Comprehensive Income
Reclassifications out of Accumulated Other Comprehensive Income
Equity in earnings of non-consolidated entities		$ (247)