Debt (Tables)

9 Months Ended

Dec. 31, 2013

Debt Disclosure [Abstract]

Summary of Debt

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

	December 31, 2013			March 31, 2013
10.5% Senior Notes, net of premium of $3,304 and $3,773 as of December 31, 2013 and March 31, 2013, respectively	$	358,304		$	358,773
Advanced payment from OEM, net of discount of $469 and $1,056 as of December 31, 2013 and March 31, 2013, respectively	20,690			22,944
Revolving line of credit	21,000			—
Other	1,901			1,783
Total debt	401,895			383,500
Current maturities	(27,672		)	(10,793		)
Total long-term debt	$	374,223		$	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 and nine month periods ended December 31, 2013 and 2012, consists of the following (amounts in thousands):

	Quarters Ended December 31,				Nine Month Periods Ended December 31,
	2013		2012		2013		2012
Contractual interest expense	$	9,491	$	9,125	$	27,474	$	27,794
Amortization of debt issuance costs	426		426		1,278		1,278
Amortization of debt (premium) discount	14		48		118		(250		)
Imputed interest on acquisition related obligations	418		648		1,421		2,018
	$	10,349	$	10,247	$	30,291	$	30,840