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SHAREHOLDERS' EQUITY (Details) (USD $)
0 Months Ended 7 Months Ended 12 Months Ended
Jun. 02, 2014
Nov. 14, 2012
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Jun. 02, 2014
Nov. 14, 2012
Equity [Abstract]              
Stock repurchase program, authorized amount           $ 50,000,000.0us-gaap_StockRepurchaseProgramAuthorizedAmount1 $ 50,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount1
Stock Repurchase Program, Authorized Period in Force 12 months 12 months          
Shares repurchased during the period     956,362us-gaap_TreasuryStockSharesAcquired 195,599us-gaap_TreasuryStockSharesAcquired 205,902us-gaap_TreasuryStockSharesAcquired    
Treasury Stock, Value, Acquired, Cost Method     $ 29,500,000us-gaap_TreasuryStockValueAcquiredCostMethod $ 5,500,000us-gaap_TreasuryStockValueAcquiredCostMethod $ 5,200,000us-gaap_TreasuryStockValueAcquiredCostMethod