Goodwill and Other Intangibles (Tables)

3 Months Ended

Jun. 30, 2012

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 ended June 30, 2012 and 2011:

			Amortizable Intangibles
	Unamortizable Goodwill		Customer Relationship Intangible			Production and Supply Contract Intangibles			Internally Developed Software Intangible			Total
Weighted average remaining useful life in years as of June 30, 2012			12.75			3.75			1.75
March 31, 2011 balance:
Gross carrying amount	$	2,794	$	33,700		$	7,893		$	15,767		$	60,154
Accumulated amortization	—		(9,899		)	(1,948		)	(7,102		)	(18,949		)
Net March 31, 2011	2,794		23,801			5,945			8,665			41,205
Additions	—		—			—			206			206
Amortization expense	—		(421		)	(244		)	(762		)	(1,427		)
Net June 30, 2011	2,794		23,380			5,701			8,109			39,984
Additions	—		—			—			615			615
Amortization expense	—		(1,264		)	(851		)	(2,619		)	(4,734		)
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

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
July 1, 2012 through March 31, 2013	$	1,264	$	1,136	$	2,427	$	4,827
2014	1,685		1,251		1,750		4,686
2015	1,685		1,173		534		3,392
2016	1,685		1,175		404		3,264
2017	1,685		—		250		1,935
Later	13,691		—		—		13,691
	$	21,695	$	4,735	$	5,365	$	31,795