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Interest Expense (Tables)

3 Months Ended

Mar. 31, 2015

Interest and Debt Expense [Abstract]

Schedule Of Interest Expense

The following table presents an analysis of interest expense: 

	For the Three Months Ended
	March 31,
	2014				2015
	(Dollars in thousands)
Interest incurred on debt	$	5,322			$	5,171
Amortization of discount on Senior Subordinated Notes	2,997				3,207
Amortization of debt issuance costs	633				543
Supply Chain Financing mark-up	47				—
Total interest expense	$	8,999			$	8,921

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