DEBT (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Long-Term Debt

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

	December 31,
	2015		2014
Convertible senior notes	$	131,000	$	150,000
Term loan credit agreement		191,399		192,845
Industrial revenue bond		1,149		1,645
	$	323,548	$	344,490
Less: unamortized discount		(10,596)		(19,217)
Less: current portion		(37,611)		(496)
	$	275,341	$	324,777

Maturities of Long-Term Debt

Maturities of long-term debt for the five years succeeding December 31, 2015 and thereafter are as follows (in thousands):

2016		37,611
2017		2,466
2018		97,856
2019		1,928
2020		1,928
Thereafter		181,759
Maturities of long-term debt	$	323,548

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.

	December 31,
	2015		2014
Principal amount of convertible notes outstanding	$	131,000	$	150,000
Unamortized discount of liability component		(9,732)		(15,399)
Net carrying amount of liability component		121,268		134,601
Less: current portion		(35,165)		-
Long-term debt	$	86,103	$	134,601
Carrying value of equity component, net of issuance costs	$	15,810	$	20,993
Remaining amortization period of discount on the liability component		2.3 years		3.3 years

Contractual Coupon Interest Expense and Accretion Of Discount On Liability

The contractual coupon interest expense and accretion of discount on the liability component for the Notes for the years ended December 31, 2015, 2014 and 2013 were as follow (in thousands):

	Years Ended December 31,
	2015		2014		2013
Contractual coupon interest expense	$	5,063	$	5,063	$	5,063
Accretion of discount on the liability component	$	4,256	$	3,973	$	3,710