Summarized Financial Information For Discontinued Operations (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	May 31, 2014	May 31, 2013
Discontinued Operations [Line Items]
Cost of goods sold	$ 2,718	$ 4,023
Gross profit	977	178
Operating expenses
Selling and delivery	276	474
General and administrative	810	538
Total operating expenses	1,086	1,012
Operating profit from discontinued operations	(109)	(834)
Other, net	258	469
Income tax expense	24	(273)
Income from discontinued operations		215
Discontinued Operations
Discontinued Operations [Line Items]
Net sales		8,399
Cost of goods sold		6,227
Gross profit		2,172
Operating expenses
Selling and delivery		783
General and administrative		1,139
Total operating expenses		1,922
Operating profit from discontinued operations		250
Other income (expense)		80
Interest expense		(4)
Other, net		76
Income from discontinued operations before income taxes		326
Income tax expense		111
Income from discontinued operations		$ 215