Intangible Assets and Goodwill Definite-lived Intangibles (Details) - USD ($) $ in Thousands	9 Months Ended
	Nov. 30, 2016	Feb. 29, 2016
Definite-Lived Intangible Assets [Line Items]
Definite-Lived Trademarks, Gross	$ 3,225	$ 6,224
Definite-Lived Intangible Assets, Accumulated Amortization	1,556	2,925
Other intangibles, net	$ 1,669	3,299
Trademarks
Definite-Lived Intangible Assets [Line Items]
Weighted average remaining useful life	8 years 4 months 15 days
Definite-Lived Trademarks, Gross	$ 756	1,240
Definite-Lived Intangible Assets, Accumulated Amortization	558	727
Other intangibles, net	198	513
Patents
Definite-Lived Intangible Assets [Line Items]
Definite-Lived Trademarks, Gross	0	1,815
Definite-Lived Intangible Assets, Accumulated Amortization	0	1,141
Other intangibles, net	$ 0	674
Customer-Related Intangible Assets
Definite-Lived Intangible Assets [Line Items]
Weighted average remaining useful life	6 months 15 days
Definite-Lived Trademarks, Gross	$ 315	1,015
Definite-Lived Intangible Assets, Accumulated Amortization	264	543
Other intangibles, net	$ 51	472
Contract-Based Intangible Assets
Definite-Lived Intangible Assets [Line Items]
Weighted average remaining useful life	4 years 9 months 15 days
Definite-Lived Trademarks, Gross	$ 2,154	2,154
Definite-Lived Intangible Assets, Accumulated Amortization	734	514
Other intangibles, net	$ 1,420	$ 1,640