Intangible Assets and Goodwill Definite-lived Intangibles (Details) - USD ($) $ in Thousands	3 Months Ended
	May 31, 2016	Feb. 29, 2016
Definite-Lived Intangible Assets [Line Items]
Definite-Lived Trademarks, Gross	$ 6,224	$ 6,224
Definite-Lived Intangible Assets, Accumulated Amortization	3,150	2,925
Other intangibles, net	$ 3,074	3,299
Trademarks
Definite-Lived Intangible Assets [Line Items]
Weighted average remaining useful life	6 years 253 days
Definite-Lived Trademarks, Gross	$ 1,240	1,240
Definite-Lived Intangible Assets, Accumulated Amortization	762	727
Other intangibles, net	$ 478	513
Patents
Definite-Lived Intangible Assets [Line Items]
Weighted average remaining useful life	5 years 103 days
Definite-Lived Trademarks, Gross	$ 1,815	1,815
Definite-Lived Intangible Assets, Accumulated Amortization	1,172	1,141
Other intangibles, net	$ 643	674
Customer-Related Intangible Assets
Definite-Lived Intangible Assets [Line Items]
Weighted average remaining useful life	1 year 55 days
Definite-Lived Trademarks, Gross	$ 1,015	1,015
Definite-Lived Intangible Assets, Accumulated Amortization	629	543
Other intangibles, net	$ 386	472
Contract-Based Intangible Assets
Definite-Lived Intangible Assets [Line Items]
Weighted average remaining useful life	5 years 122 days
Definite-Lived Trademarks, Gross	$ 2,154	2,154
Definite-Lived Intangible Assets, Accumulated Amortization	587	514
Other intangibles, net	$ 1,567	$ 1,640