Debt (Tables)

3 Months Ended

Jun. 30, 2013

Debt

Summary of Debt

A summary of debt is as follows (amounts in thousands):

	June 30, 2013			March 31, 2013
10.5% Senior Notes, net of premium of $3,620 and $3,773 as of June 30, 2013 and March 31, 2013, respectively	$	358,620		$	358,773
Advanced payment from OEM, net of discount of $840 and $1,056 as of June 30, 2013 and March 31, 2013, respectively	22,856			22,944
Other	1,817			1,783
Total debt	383,293			383,500
Current maturities	(7,648		)	(10,793		)
Total long-term debt	$	375,645		$	372,707

Schedule of Cash and Non-cash components of Interest Expense

The line item “Interest expense” on the Condensed Consolidated Statements of Operations for the quarters ended June 30, 2013 and 2012, is as follows (amounts in thousands):

	Quarters Ended June 30,
	2013		2012
Contractual interest expense	$	9,020	$	9,486
Amortization of debt issuance costs	426		426
Amortization of debt (premium) discount	62		(153		)
Imputed interest on acquisition related obligations	526		698
	$	10,034	$	10,457