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Interest Expense (Tables)

12 Months Ended

Dec. 31, 2013

Interest and Debt Expense [Abstract]

Schedule Of Interest Expense

The following table presents an analysis of interest expense:

	For the year Ended December 31,
	2011				2012				2013
	(Dollars in thousands)
Interest incurred on debt	$	5,745			$	10,172			$	21,589
Amortization of discount on Senior Subordinated Notes	10,039				10,742				11,493
Amortization of debt issuance costs	1,521				1,712				2,504
Supply Chain Financing mark-up	1,002				621				451
Total interest expense	$	18,307			$	23,247			$	36,037

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