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INCOME TAXES (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Components of income before income taxes                      
Domestic                 $ 13,697 $ 26,249 $ 12,227
Foreign                 32,776 18,547 14,068
INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES $ 16,449 $ 6,996 $ 13,199 $ 9,829 $ 20,475 $ 13,235 $ 6,498 $ 4,588 $ 46,473 $ 44,796 $ 26,295