INCOME TAXES (Details 6) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
INCOME TAXES
Accrued interest and penalties related to unrecognized tax benefits	$ 11,900,000	$ 13,000,000
Amount of unrecognized tax benefit if recognized, would affect the effective tax rate	17,400,000
Additional interest expense recognized in income tax provision related to liability for unrecognized tax benefits	826,000	1,533,000	1,522,000
Reasonable possibility of recognition of unrecognized tax benefits during 2013	4,600,000
Reconciliation of the liability for unrecognized tax benefits
Balance as of beginning of the year	28,884,000	53,315,000	58,458,000
Additions for current year tax positions	311,000	210,000	3,329,000
Additions for prior year tax positions	1,508,000	1,533,000	1,626,000
Interest and penalties	826,000	1,533,000	1,522,000
Reductions for prior year tax positions	(58,000)	(19,345,000)	(7,715,000)
Settlements	(306,000)	(2,095,000)	(1,303,000)
Reductions related to expirations of statute of limitations	(7,250,000)	(3,675,000)	(3,215,000)
Foreign currency translation	398,000	(1,059,000)	2,135,000
Balance as of the end of the year	$ 23,487,000	$ 28,884,000	$ 53,315,000