Goodwill and Intangible Assets (Tables)

12 Months Ended

Mar. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill

The changes in the carrying amount of goodwill for the years ended March 31, 2013 and 2012 are as follows:

(In thousands)	HSG			RSG			Total
Balance at March 31, 2011	$	135,298		$	24,912		$	160,210
Accumulated impairment losses as of March 31, 2011	(120,087		)	(24,912		)	(144,999		)
	15,211			—			15,211
Impact of foreign currency translation	(13		)	—			(13		)
Balance at March 31, 2012	$	15,198		—			$	15,198
Impact of foreign currency translation	(1,070		)	—			(1,070		)
Balance at March 31, 2013	$	14,128		—			$	14,128

Schedule of intangible assets

The following table summarizes our intangible assets at March 31, 2013, and 2012:

	2013									2012
	Gross						Net			Gross						Net
	carrying			Accumulated			carrying			carrying			Accumulated			carrying
(In thousands)	amount			amortization			amount			amount			amortization			amount
Amortized intangible assets:
Customer relationships	$	12,475		$	(10,880	)	$	1,595		$	12,475		$	(9,979	)	$	2,496
Non-competition agreements	2,910			(2,422		)	488			2,910			(2,162		)	748
Developed technology	19,876			(10,164		)	9,712			19,578			(9,339		)	10,239
Patented technology	80			(80		)	—			80			(80		)	—
Project expenditures not yet in use	5,786			—			5,786			945			—			945
Accumulated impairment	(9,493		)	—			(9,493		)	(9,493		)	—			(9,493		)
	31,634			(23,546		)	8,088			26,495			(21,560		)	4,935
Unamortized intangible assets:
Trade names	10,100			N/A			10,100			10,100			N/A			10,100
Accumulated impairment	(900		)	N/A			(900		)	(900		)	N/A			(900		)
	9,200			N/A			9,200			9,200			N/A			9,200
Total intangible assets	$	40,834		$	(23,546	)	$	17,288		$	35,695		$	(21,560	)	$	14,135

Schedule of remaining estimated amortization expense

The following table summarizes our remaining estimated amortization expense relating to intangible assets.

	Estimated
	Amortization
(In thousands)	Expense
Fiscal year ending March 31,
2014	$	1,161
2015	982
2016	60
2017	60
2018	39
Total	$	2,302