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, 2018	$ 450,118	$ (5,830)	$ 278	$ 296,395	$ 194,673	$ (14,222)	$ (21,176)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward
Net income (loss)	(2,552)	(1,613)	0	0	(939)	0	0	0
Other comprehensive loss, net of tax	(1,518)	0	0	0	0	(1,518)	0	0
Adjustment to common stock	(14)	0	(14)	0	0	0	0	0
Stock-based compensation expense	107	0	0	107	0	0	0	0
Stockholders equity, end of period at May. 31, 2018	446,141	(7,443)	264	296,502	193,734	(15,740)	(21,176)	0
Stockholders equity, beginning of period at Feb. 28, 2018	450,118	(5,830)	278	296,395	194,673	(14,222)	(21,176)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward
Net income (loss)	(14,485)
Other comprehensive loss, net of tax	(2,710)
Reclassifications of stockholders' equity to redeemable equity	0
Stockholders equity, end of period at Nov. 30, 2018	433,302	(10,784)	264	296,788	185,142	(16,932)	(21,176)	0
Stockholders equity, beginning of period at May. 31, 2018	446,141	(7,443)	264	296,502	193,734	(15,740)	(21,176)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward
Net income (loss)	(22,502)	(1,699)	0	0	(20,803)	0	0	0
Other comprehensive loss, net of tax	1	0	0	0	0	1	0	0
Stock-based compensation expense	127	0	0	127	0	0	0	0
Stockholders equity, end of period at Aug. 31, 2018	423,767	(9,142)	264	296,629	172,931	(15,739)	(21,176)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward
Net income (loss)	10,569	(1,642)	0	0	12,211	0	0	0
Other comprehensive loss, net of tax	(1,193)	0	0	0	0	(1,193)	0	0
Stock-based compensation expense	159	0	0	159	0	0	0	0
Stockholders equity, end of period at Nov. 30, 2018	433,302	(10,784)	264	296,788	185,142	(16,932)	(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
Increase (Decrease) in Stockholders' Equity [Roll Forward
Net income (loss)	(2,372)	(1,224)	0	0	(1,148)	0	0	0
Other comprehensive 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
Increase (Decrease) in Stockholders' Equity [Roll Forward
Net income (loss)	(8,169)
Other comprehensive loss, net of tax	(1,567)
Reclassifications of stockholders' equity to redeemable equity	(745)
Repurchase of 208,312 shares of common stock	(2,040)
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
Increase (Decrease) in Stockholders' Equity [Roll Forward
Net income (loss)	(7,164)	(1,200)	0	0	(5,964)	0	0	0
Other comprehensive 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	(745)	0	0	0	0	0	0	(745)
Repurchase of 208,312 shares 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)
Increase (Decrease) in Stockholders' Equity [Roll Forward
Net income (loss)	1,367	(1,097)	0	0	2,464	0	0	0
Other comprehensive 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 208,312 shares 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)