Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2014	Feb. 28, 2013
Deferred income tax assets:
Employee related items	$ 4,314	$ 3,179
Inventories	836	717
Accrued warranty	508	782
Accounts receivable	235	377
Net operating loss carry forward	475	1,640
Other	1,433	921
Total deferred income tax assets	7,801	7,616
Deferred income tax liabilities:
Depreciation methods and property basis differences	(19,820)	(18,352)
Other assets and tax-deductible goodwill	(19,615)	(18,051)
Total deferred income tax liabilities	(39,435)	(36,403)
Net deferred income tax liabilities	$ (31,634)	$ (28,787)