Consolidated Statements of Stockholders’ Equity - USD ($) $ in Thousands	Total	Noncontrolling Interest [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]
Exercise of stock options into common stock	15,000
Stockholders equity, beginning of period at Feb. 28, 2014	$ 429,584	$ 0	$ 277	$ 290,960	$ 158,571	$ (1,873)	$ (18,351)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss) Attributable to Parent	(942)	0	0	0	(942)	0	0
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(942)
Net Income (Loss) Attributable to Noncontrolling Interest	0
Other comprehensive income (loss), net of tax	(31,362)	0	0	0	0	(31,362)	0
Gain (Loss) on Capital Lease Termination	846	0	0	846	0	0	0
Exercise of stock options into shares of common stock	101	0	0	101	0	0	0
Stock-based compensation expense	521	0	0	521	0	0	0
Stockholders equity, end of period at Feb. 28, 2015	396,140	0	277	292,427	157,629	(33,235)	(20,958)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased During Period, Value	$ (2,620)	0	0	0	0	0	2,620
Stock Issued During Period, Shares, Treasury Stock Reissued	1,260
Reissue of treasury stock	$ 12	0	0	1	0	0	13
Stock Repurchased During Period, Shares	315,443
Exercise of stock options into common stock	64,200
Net Income (Loss) Attributable to Parent	$ (2,682)	(3,381)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(6,063)		0	0	(2,682)	0	0
Net Income (Loss) Attributable to Noncontrolling Interest	(3,381)
Business Combination, Consideration Transferred, Including Equity Interest in Acquiree Held Prior to Combination			0	0	0	0	0	$ 12,900
Business Combination, Consideration Transferred, Other	(1,200)		0	0	0	0	0
Other comprehensive income (loss), net of tax	(7,482)	0	0	0	0	(7,482)	0
Exercise of stock options into shares of common stock	437	0	1	436	0	0	0
Stock-based compensation expense	1,384	205	0	1,179	0	0	0
Stockholders equity, end of period at Feb. 29, 2016	395,894	8,524	278	294,038	154,947	(40,717)	(21,176)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased During Period, Value	$ (227)	0	0	0	0	0	227
Stock Issued During Period, Shares, Treasury Stock Reissued	905
Reissue of treasury stock	$ 5	0	0	4	0	0	9
Stock Repurchased During Period, Shares	39,529
Exercise of stock options into common stock	0
Net Income (Loss) Attributable to Parent	$ 4,422	(7,624)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(3,202)		0	0	4,422	0	0
Net Income (Loss) Attributable to Noncontrolling Interest	(7,624)
Other comprehensive income (loss), net of tax	(3,181)	0	0	0	0	(3,181)	0
Stock-based compensation expense	1,804	410	0	1,394	0	0	0
Stockholders equity, end of period at Feb. 28, 2017	$ 391,315	$ 1,310	$ 278	$ 295,432	$ 159,369	$ (43,898)	(21,176)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased During Period, Value							$ 0
Stock Issued During Period, Shares, Treasury Stock Reissued	0
Stock Repurchased During Period, Shares	0