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OTHER LONG-TERM LIABILITIES OTHER LONG-TERM LIABILITIES (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Other Liabilities Disclosure [Abstract]    
Long-term deferred rent $ 8,250 $ 8,361
Long-term accrued restructuring 1,762 2,335
Long-term deferred compensation 3,925 3,890
Total long-term liabilities $ 13,937 $ 14,586