Goodwill and Other Intangibles (Tables)

6 Months Ended

Sep. 30, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Asset Rollforward

The following table summarizes the changes in the Company’s goodwill and other intangibles for the three months and six months ended September 30, 2013 and 2012:

			Amortizable Intangibles
	Goodwill (1)		Customer Relationship Intangible			Production and Supply Contract Intangibles			Internally Developed Software Intangible			Total
Weighted average remaining useful     life in years as of September 30, 2013			11.5			2.5			0.5
March 31, 2012 balance:
Gross carrying amount	$	2,794	$	33,700		$	7,893		$	16,588		$	60,975
Accumulated amortization	—		(11,584		)	(3,043		)	(10,483		)	(25,110		)
Net March 31, 2012	2,794		22,116			4,850			6,105			35,865
Additions	—		—			—			22			22
Amortization expense	—		(421		)	(115		)	(762		)	(1,298		)
Net June 30, 2012	2,794		21,695			4,735			5,365			34,589
Additions	—		—			—			247			247
Amortization expense	—		(422		)	(127		)	(762		)	(1,311		)
Net September 30, 2012	2,794		21,273			4,608			4,850			33,525
Additions	—		—			—			707			707
Amortization expense	—		(842		)	(372		)	(1,547		)	(2,761		)
Net March 31, 2013	2,794		20,431			4,236			4,010			31,471
Additions	—		—			—			221			221
Amortization expense	—		(421		)	(196		)	(806		)	(1,423		)
Net June 30, 2013	2,794		20,010			4,040			3,425			30,269
Additions	—		—			—			342			342
Amortization expense	—		(422		)	(237		)	(704		)	(1,363		)
Net September 30, 2013	$	2,794	$	19,588		$	3,803		$	3,063		$	29,248

(1) Goodwill of $1,592 relates to the Other Regions segment and $1,202 relates to the Value Added Services segment.

Estimated Intangible Asset Amortization Expense

The following table summarizes the estimated intangible asset amortization expense for the next five years and beyond:

For Fiscal Years Ended	Customer Relationship Intangible		Production and Supply Contract Intangible		Internally Developed Software Intangible*		Total
October 1, 2013 through March 31, 2014	842		818		610		$	2,270
2015	1,685		1,173		841		3,699
2016	1,685		1,812		711		4,208
2017	1,685		—		536		2,221
2018	1,685		—		308		1,993
Subsequent years	12,006		—		57		12,063
	$	19,588	$	3,803	$	3,063	$	26,454

*  Estimated amortization expense for the internally developed software is based on costs accumulated as of September 30, 2013. These estimates will change as new costs are incurred and until the software is placed into service in all locations.