Shareholders' Equity - Changes in Shareholders' Equity (Detail) - USD ($) $ in Thousands	3 Months Ended
	May 31, 2016	May 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning Balance, Amount	$ 298,546
Beginning Balance, Shares	30,053,443
Net loss	$ (16,878)	$ 9,171
Foreign currency translation, net of deferred tax of $6,087	9,940	$ (664)
Dividends paid ($0.175 per share)	(4,530)
Stock based compensation	339
Stock based compensation allocated to loss on sale of discontinued operations	112
Exercise of stock options and restricted stock	2,910
Ending Balance, Amount	$ 290,439
Ending Balance, Shares	30,053,443
Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning Balance, Amount	$ 75,134
Beginning Balance, Shares	30,053,443
Ending Balance, Amount	$ 75,134
Ending Balance, Shares	30,053,443
Additional Paid-in Capital [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning Balance, Amount	$ 121,597
Stock based compensation	339
Stock based compensation allocated to loss on sale of discontinued operations	112
Exercise of stock options and restricted stock	(1,810)
Ending Balance, Amount	120,238
Retained Earnings [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning Balance, Amount	206,105
Net loss	(16,878)
Dividends paid ($0.175 per share)	(4,530)
Ending Balance, Amount	184,697
Accumulated Other Comprehensive Income (Loss) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning Balance, Amount	(27,285)
Foreign currency translation, net of deferred tax of $6,087	9,940
Ending Balance, Amount	(17,345)
Treasury Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning Balance, Amount	$ (77,005)
Beginning Balance, Treasury Stock, Shares	(4,437,005)
Exercise of stock options and restricted stock	$ 4,720
Exercise of stock options and restricted stock, shares	282,988
Ending Balance, Amount	$ (72,285)
Ending Balance, Treasury Stock, Shares	(4,154,017)