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, 2013	Mar. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ (3,177)	$ (2,343)
Total net intangible assets	12,941	12,396
Global Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	7,400	7,400
Local Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	7,924	6,979
Accumulated amortization	(3,008)	(2,217)
Finite-lived intangible assets, net	4,916	4,762
Local Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	6 years
Local 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	50
Accumulated amortization	(55)	(50)
Finite-lived intangible assets, net	20	0
Trade Names [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization Period	1 year
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	66
Accumulated amortization	(91)	(66)
Finite-lived intangible assets, net	243	0
Amortization Period	4 years
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	384	244
Accumulated amortization	(23)	(10)
Finite-lived intangible assets, net	361	234
Amortization Period	20 years
Order Backlog [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	2	0
Accumulated amortization	(1)	0
Finite-lived intangible assets, net	$ 1	$ 0
Amortization Period	1 year