Goodwill And Other Intangible Assets Schedule of other intangible assets and related accumulated amortization (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 31, 2014	Mar. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ (4,023)	$ (3,447)
Total net intangible assets	16,821	12,724
Global Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	7,400	7,400
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	12,530	7,941
Accumulated amortization	(3,750)	(3,251)
Finite-lived intangible assets, net	8,780	4,690
Customer Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	6 years
Customer Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	10 years
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	75	75
Accumulated amortization	(67)	(58)
Finite-lived intangible assets, net	8	17
Trade Names [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	2 years
Trade Names [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	3 years
Existing Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	334	334
Accumulated amortization	(158)	(108)
Finite-lived intangible assets, net	176	226
Amortization Period	4 years
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	503	419
Accumulated amortization	(46)	(29)
Finite-lived intangible assets, net	457	390
Amortization Period	20 years
Order Backlog [Member]
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