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DEBT (Tables)
 3 Months Ended
Mar. 31, 2013
Debt Disclosure [Abstract]  
Long-Term Debt

Long-term debt consists of the following (in thousands):

 

    March 31,     December 31,  
    2013     2012  
Convertible senior notes   $ 150,000     $ 150,000  
Term loan credit facility     297,000       297,750  
Industrial revenue bond     2,463       2,500  
    $ 449,463     $ 450,250  
Less: unamortized discount     (28,895 )     (30,020 )
Less: current portion     (23,460 )     (3,381 )
    $ 397,108     $ 416,849
Equity and Liability Components of Notes

The following table summarizes information about the equity and liability components of the Notes (dollars in thousands). The fair value of the notes outstanding were measured based on quoted market prices.

 

    March 31,     December 31,  
    2013     2013  
Principal amount of convertible notes outstanding   $ 150,000     $ 150,000  
Unamortized discount of liability component     (22,178 )     (23,082 )
Net carrying amount of liability component     127,822       126,918  
Less: current portion     -       -  
Long-term debt   $ 127,822     $ 126,918  
Carrying value of equity component, net of issuance costs   $ 20,993     $ 20,993  
Remaining amortization period of discount on the liability component     5.0 years       5.3 years
Contractual Coupon Interest Expense and Accretion Of Discount On Liability

Contractual coupon interest expense and accretion of discount on the liability component for the Note for the three months ended March 31, 2013 were as follow (in thousands):

 

    Three Months Ended
March 31, 2013		  
Contractual coupon interest expense   $ 1,266  
Accretion of discount on the liability component   $ 904