Intangible Assets and Goodwill Definite-lived Intangibles (Details) - USD ($) $ in Thousands	9 Months Ended
	Nov. 30, 2015	Feb. 28, 2015
Definite-Lived Intangible Assets [Line Items]
Definite-Lived Trademarks, Gross	$ 9,589	$ 9,589
Definite-Lived Intangible Assets, Accumulated Amortization	2,547	1,411
Other intangibles, net	$ 7,042	8,178
Trademarks
Definite-Lived Intangible Assets [Line Items]
Weighted average remaining useful life	6 years 9 months 18 days
Definite-Lived Trademarks, Gross	$ 1,240	1,240
Definite-Lived Intangible Assets, Accumulated Amortization	691	585
Other intangibles, net	$ 549	655
Patents
Definite-Lived Intangible Assets [Line Items]
Weighted average remaining useful life	5 years 8 months 12 days
Definite-Lived Trademarks, Gross	$ 5,180	5,180
Definite-Lived Intangible Assets, Accumulated Amortization	956	401
Other intangibles, net	$ 4,224	4,779
Customer-Related Intangible Assets
Definite-Lived Intangible Assets [Line Items]
Weighted average remaining useful life	1 year 7 months 7 days
Definite-Lived Trademarks, Gross	$ 1,015	1,015
Definite-Lived Intangible Assets, Accumulated Amortization	459	205
Other intangibles, net	$ 556	810
Contract-Based Intangible Assets
Definite-Lived Intangible Assets [Line Items]
Weighted average remaining useful life	5 years 9 months 19 days
Definite-Lived Trademarks, Gross	$ 2,154	2,154
Definite-Lived Intangible Assets, Accumulated Amortization	441	220
Other intangibles, net	$ 1,713	$ 1,934