Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Amortized intangible assets:
Indefinite-Lived Intangible Assets, Accumulated Impairment	$ (570)	$ 0	$ 0
Indefinite-Lived Intangible Assets (Excluding Goodwill)	8,400	9,200	9,200
Intangible Assets, Gross (Excluding Goodwill)	32,845	33,415
Finite Lived Software Development Costs Accumulated Impairment	1,391		0
Gross carrying amount	24,445	0
Finite Lived Software Development Costs Accumulated Amortization	1,443		(270)
Finite Lived Software Development Costs Net	31,818		17,221
Finite Lived Software Development Costs Gross	33,261		17,491
Accumulated amortization	(23,839)	(22,789)	(22,789)
Net carrying amount	606	1,426
Total intangible assets, net carrying amount	9,006	10,626	10,626
Trade Names [Member]
Amortized intangible assets:
Indefinite-Lived Intangible Assets (Excluding Goodwill), Excluding Accumulated Impairment	9,200	9,200	9,200
Customer relationships [Member]
Amortized intangible assets:
Gross carrying amount, excluding accumulated impairment	10,775	10,775
Accumulated amortization, excluding accumulated impairment	(10,775)	(10,080)
Net carrying amount, excluding accumulated impairment	0	695
Non-competition agreements [Member]
Amortized intangible assets:
Gross carrying amount, excluding accumulated impairment	2,700	2,700
Accumulated amortization, excluding accumulated impairment	(2,700)	(2,473)
Net carrying amount, excluding accumulated impairment	0	227
Developed technology [Member]
Amortized intangible assets:
Gross carrying amount, excluding accumulated impairment	10,660	10,660
Accumulated amortization, excluding accumulated impairment	(10,277)	(10,156)
Net carrying amount, excluding accumulated impairment	383	504
Patented Technology [Member]
Amortized intangible assets:
Gross carrying amount, excluding accumulated impairment	80	80
Accumulated amortization, excluding accumulated impairment	(80)	(80)
Net carrying amount, excluding accumulated impairment	0	0
Software Development Costs [Member]
Amortized intangible assets:
Finite Lived Software Development Costs Accumulated Amortization Excluding Accumulated Impairment	1,443		(270)
Finite Lived Software Development Costs, Net Excluding, Accumulated Impairment	4,916		4,824
Finite Lived Software Development Costs Gross Excluding Accumulated Impairment	6,359		5,094
Project Expenditures Not Yet In Use [Member]
Amortized intangible assets:
Finite Lived Software Development Costs Accumulated Amortization Excluding Accumulated Impairment	0		0
Finite Lived Software Development Costs, Net Excluding, Accumulated Impairment	28,293		12,397
Finite Lived Software Development Costs Gross Excluding Accumulated Impairment	$ 28,293		$ 12,397