Debt (Tables)

6 Months Ended

Sep. 30, 2014

Debt Disclosure [Abstract]

Summary of Debt

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

	September 30, 2014			March 31, 2014
10.5% Senior Notes, net of premium of $2,807 and $3,144 as of September 30, 2014 and March 31, 2014, respectively	$	357,807		$	358,144
Advanced payment from OEM, net of discount of $111 and $323 as of September 30, 2014 and March 31, 2014, respectively	18,486			20,095
Revolving line of credit	25,249			18,449
Other	540			1,901
Total debt	402,082			398,589
Current maturities	(25,826		)	(7,297		)
Total long-term debt	$	376,256		$	391,292

Schedule of line item Interest expense on the Condensed Consolidated Statements of Operations

The line item “Interest expense” on the Condensed Consolidated Statements of Operations for the quarters and six month periods endedSeptember 30, 2014 and 2013, consists of the following (amounts in thousands):

	Quarters Ended September 30,					Six Month Periods Ended September 30,
	2014			2013		2014			2013
Contractual interest expense	$	9,659		$	8,963	$	19,411		$	17,983
Amortization of debt issuance costs	426			426		852			852
Amortization of debt (premium) discount	(78		)	42		(126		)	104
Imputed interest on acquisition related obligations	235			477		522			1,003
Interest expense on capital lease	45			—		84			—
Total interest expense	$	10,287		$	9,908	$	20,743		$	19,942