Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Non-controlling Interests [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Treasury Stock [Member]	Redeemable Equity [Member]
Stockholders equity, beginning of period at Feb. 28, 2019	$ 395,101	$ (12,571)	$ 264	$ 296,946	$ 148,582	$ (16,944)	$ (21,176)	$ 0
Net loss	(2,372)	(1,224)	0	0	(1,148)	0	0	0
Other comprehensive income (loss), net of tax	(904)	0	0	0	0	(904)	0	0
Stock-based compensation expense	159	0	0	159	0	0	0	0
Stockholders equity, end of period at May. 31, 2019	391,984	(13,795)	264	297,105	147,434	(17,848)	(21,176)	0
Stockholders equity, beginning of period at Feb. 28, 2019	395,101	(12,571)	264	296,946	148,582	(16,944)	(21,176)	0
Net loss	(8,169)
Other comprehensive income (loss), net of tax	(1,567)
Reclassifications of stockholders' equity to redeemable equity (see Note 8)	745
Stockholders equity, end of period at Nov. 30, 2019	383,017	(16,092)	266	298,760	143,934	(18,511)	(23,216)	(2,124)
Stockholders equity, beginning of period at May. 31, 2019	391,984	(13,795)	264	297,105	147,434	(17,848)	(21,176)	0
Net loss	(7,164)	(1,200)	0	0	(5,964)	0	0	0
Other comprehensive income (loss), net of tax	(383)	0	0	0	0	(383)	0	0
Stock-based compensation expense	161	0	2	1,184	0	0	0	(1,025)
Reclassifications of stockholders' equity to redeemable equity (see Note 8)	(745)	0	0	0	0	0	0	(745)
Repurchase of common stock	(983)	0	0	0	0	0	(983)	0
Stockholders equity, end of period at Aug. 31, 2019	382,870	(14,995)	266	298,289	141,470	(18,231)	(22,159)	(1,770)
Net loss	1,367	(1,097)	0	0	2,464	0	0	0
Other comprehensive income (loss), net of tax	(280)	0	0	0	0	(280)	0	0
Stock-based compensation expense	117	0	0	471	0	0	0	(354)
Repurchase of common stock	(1,057)	0	0	0	0	0	(1,057)	0
Stockholders equity, end of period at Nov. 30, 2019	383,017	(16,092)	266	298,760	143,934	(18,511)	(23,216)	(2,124)
Stockholders equity, beginning of period at Feb. 29, 2020	348,229	(27,950)	266	299,228	122,139	(19,055)	(23,918)	(2,481)
Net loss	(9,105)	(833)	0	0	(8,272)	0	0	0
Other comprehensive income (loss), net of tax	313	0	0	0	0	313	0	0
Stock-based compensation expense	151	0	1	351	0	0	0	(201)
Stockholders equity, end of period at May. 31, 2020	339,588	(28,783)	267	299,579	113,867	(18,742)	(23,918)	(2,682)
Stockholders equity, beginning of period at Feb. 29, 2020	348,229	(27,950)	266	299,228	122,139	(19,055)	(23,918)	(2,481)
Net loss	14,890
Other comprehensive income (loss), net of tax	3,009
Reclassifications of stockholders' equity to redeemable equity (see Note 8)	478
Stockholders equity, end of period at Nov. 30, 2020	366,530	(30,379)	267	300,107	139,458	(16,046)	(23,918)	(2,959)
Stockholders equity, beginning of period at May. 31, 2020	339,588	(28,783)	267	299,579	113,867	(18,742)	(23,918)	(2,682)
Net loss	6,555	(785)	0	0	7,340	0	0	0
Other comprehensive income (loss), net of tax	2,666	0	0	0	0	2,666	0	0
Settlement of SERP restricted stock units	(575)	0	0	(575)	0	0	0	0
Stock-based compensation expense	250	0	0	335	0	0	0	(85)
Stockholders equity, end of period at Aug. 31, 2020	348,484	(29,568)	267	299,339	121,207	(16,076)	(23,918)	(2,767)
Net loss	17,440	(811)	0	0	18,251	0	0	0
Other comprehensive income (loss), net of tax	30	0	0	0	0	30	0	0
Stock-based compensation expense	576	0	0	768	0	0	0	(192)
Stockholders equity, end of period at Nov. 30, 2020	$ 366,530	$ (30,379)	$ 267	$ 300,107	$ 139,458	$ (16,046)	$ (23,918)	$ (2,959)