INDEBTEDNESS (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Line of Credit Facility [Line Items]
Percentage of issued and outstanding stock pledged of foreign subsidiaries as collateral for credit facilty	65.00%
Unused capacity, commitment fee percentage	0.35%
Line of Credit Term A Loan [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity	50,000
Credit Facility Accordian Feature [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity	75,000
Line of Credit Revolver [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity	250,000
Base Rate Loans [Member]
Line of Credit Facility [Line Items]
Applicable percentage	1.25%
London Interbank Offerd Rate Loans [Member]
Line of Credit Facility [Line Items]
Applicable percentage	2.25%
Interest rate at end of period	2.70%