Goodwill And Other Intangible Assets Expected amortization expense (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Mar. 31, 2015
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Remainder of Fiscal 2016	$ 1,083
2017	1,444
2018	1,333
2019	869
2020	799
Thereafter	2,507
Finite-lived intangible assets, net	8,035	$ 8,321
Existing Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Remainder of Fiscal 2016	50
2017	67
2018	25
2019	0
2020	0
Thereafter	0
Finite-lived intangible assets, net	142	159
Patents [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Remainder of Fiscal 2016	22
2017	30
2018	30
2019	30
2020	29
Thereafter	393
Finite-lived intangible assets, net	$ 534	$ 504