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LONG-TERM DEBT (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2014
Debt Instrument [Line Items]  
Debt outstanding $ 400,000
Term loan quarterly payment 8,750
Maturity date May 07, 2019
Term loan interest rate (in hundredth) 1.90%
Undrawn revolving loan 50,000
Maturities of Long-term Debt [Abstract]  
2014 17,500
2015 35,000
2016 35,000
2017 35,000
2018 35,000
2019 242,500
Capitalized costs net of accumulated amortization 2,441
Amortization expense pertaining to Capitalized costs 103
Senior Secured Term Loan [Member]
 
Debt Instrument [Line Items]  
Amount of loan 350,000
Revolving Credit Facility [Member]
 
Debt Instrument [Line Items]  
Amount of loan 100,000
Revolving loan used for funding of acquisition and general corporate purposes 50,000
Maturities of Long-term Debt [Abstract]  
2019 50,000
Long-term Debt [Member]
 
Maturities of Long-term Debt [Abstract]  
2015 17,500
2016 35,000
2017 35,000
2018 35,000
2019 192,500
Current Portion of Long-term Debt [Member]
 
Maturities of Long-term Debt [Abstract]  
2014 17,500
2015 $ 17,500