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LONG-TERM DEBT (Details) (Revolving Credit Facility, USD $)
0 Months Ended 9 Months Ended 0 Months Ended
Jan. 15, 2013
2013 Credit Facility
Jan. 15, 2013
2013 Credit Facility
LIBOR
Sep. 30, 2014
2014 Credit Facility
Sep. 12, 2014
2014 Credit Facility
Sep. 12, 2014
2014 Credit Facility
LIBOR
Sep. 12, 2014
2014 Credit Facility
Federal Funds Open Rate
Debt Instrument [Line Items]            
Line of credit, maximum borrowing capacity $ 40,000,000     $ 200,000,000    
Variable rate spread   1.25%     1.00% 0.50%
Line of credit, maximum borrowing capacity in foreign currency       50,000,000    
Percentage of foreign subsidiaries outstanding shares of capital stock serves as collateral     65.00%      
Line of credit, current borrowing capacity       100,000,000    
Outstanding debt     $ 0