DERIVATIVE FINANCIAL INSTRUMENTS (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Not designated as a hedging instrument
Effect of derivatives in cash flow hedging relationships on the consolidated statement of income
Total Derivatives Not Designated as Hedging Instruments	$ (1,153)
Foreign currency contracts | Not designated as a hedging instrument
Effect of derivatives in cash flow hedging relationships on the consolidated statement of income
Total Derivatives Not Designated as Hedging Instruments	(1,153)
Cash Flow Hedge Relationship
Effect of derivatives in cash flow hedging relationships on the consolidated statement of income
Before -Tax (Loss) Recognized in OCI on Derivative (Effective Portion)	41	2,868
Before - Tax (Loss) Reclassified from AOCI into Income (Effective Portion)	4,237	10,284
Before - Tax (Loss) Recognized in Income on Derivative (Ineffective Portion)		1,177
Cash Flow Hedge Relationship | Interest rate swap contracts
Effect of derivatives in cash flow hedging relationships on the consolidated statement of income
Before -Tax (Loss) Recognized in OCI on Derivative (Effective Portion)	41	2,868
Before - Tax (Loss) Reclassified from AOCI into Income (Effective Portion)	4,237	10,284
Before - Tax (Loss) Recognized in Income on Derivative (Ineffective Portion)		$ 1,177