Goodwill And Other Intangible Assets Schedule of other intangible assets and related accumulated amortization (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ (4,203)	$ (3,447)
Total net intangible assets	16,384	12,724
Global customer relationships
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	7,400	7,400
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	12,220	7,941
Accumulated amortization	(3,899)	(3,251)
Finite-lived intangible assets, net	8,321	4,690
Customer relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Amortization Period	6 years
Customer relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Amortization Period	10 years
Tradenames
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	75	75
Accumulated amortization	(75)	(58)
Finite-lived intangible assets, net	0	17
Tradenames | Minimum
Finite-Lived Intangible Assets [Line Items]
Amortization Period	2 years
Tradenames | Maximum
Finite-Lived Intangible Assets [Line Items]
Amortization Period	3 years
Existing technology
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	334	334
Accumulated amortization	(175)	(108)
Finite-lived intangible assets, net	159	226
Amortization Period	4 years
Patents
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	556	419
Accumulated amortization	(52)	(29)
Finite-lived intangible assets, net	504	390
Amortization Period	20 years
Order backlog
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	2	2
Accumulated amortization	(2)	(1)
Finite-lived intangible assets, net	$ 0	$ 1
Amortization Period	1 year