Goodwill and Other Intangibles (Tables)

12 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Asset Rollforward

Goodwill and Intangible Asset Rollforward:

			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 March 31, 2015			10			5.75			—
March 31, 2013 balance:
Gross carrying amount	$	2,794	$	33,700		$	7,893		$	16,918		$	61,305
Accumulated amortization	—		(13,269		)	(3,657		)	(12,908		)	(29,834		)
Net March 31, 2013 balance	2,794		20,431			4,236			4,010			31,471
Additions	—		—			7,000			886			7,886
Amortization expense	—		(1,685		)	(1,095		)	(1,852		)	(4,632		)
Net March 31, 2014 balance	2,794		18,746			10,141			3,044			34,725
Additions	—		—			—			698			698
Amortization expense	—		(1,685		)	(1,034		)	(813		)	(3,532		)
Net March 31, 2015 balance	$	2,794	$	17,061		$	9,107		$	2,929		$	31,891

(1) Goodwill of $2,794 relates to the North America 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
2016	$	1,685	$	2,459	$	1,277	$	5,421
2017	1,685		1,405		740		3,830
2018	1,685		1,403		512		3,600
2019	1,685		1,397		259		3,341
2020	1,685		1,396		141		3,222
Later	8,636		1,047		—		9,683
	$	17,061	$	9,107	$	2,929	$	29,097

*  Estimated amortization expense for the internally developed software is based on costs accumulated as of March 31, 2015.
    These estimates will change as new costs are incurred and until the software is placed into service in all locations.