Intangible Assets Schedule Of Intangibles (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Mar. 31, 2017
Gross Carrying Amount	$ 30,968	$ 30,235
Accumulated Amortization	(16,011)	(13,197)
Net Carrying Amount	14,957	17,038
Technology
Gross Carrying Amount	19,151	18,685
Accumulated Amortization	(8,421)	(7,010)
Net Carrying Amount	10,730	11,675
Customer relationships
Gross Carrying Amount	9,615	9,419
Accumulated Amortization	(6,863)	(6,187)
Net Carrying Amount	2,752	3,232
Trade names/domains
Gross Carrying Amount	2,107	2,036
Accumulated Amortization	(632)	0
Net Carrying Amount	1,475	2,036
In-process research and development
Gross Carrying Amount	95	95
Accumulated Amortization	(95)	0
Net Carrying Amount	$ 0	$ 95