Business Segment Information (Termination Benefits and Facility Closings) - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Feb. 29, 2016	Feb. 28, 2015	Feb. 28, 2014
Segment Reporting [Abstract]
Compensation termination benefits description	Termination benefits are primarily considered part of an ongoing benefit arrangement, accounted for in accordance with ASC Topic 712, "Compensation - Nonretirement Postemployment Benefits," and are recorded when payment of the benefits is probable and can be reasonably estimated.
Severance charges	$ 4,805	$ 5,418	$ 6,890
Severance accrual	$ 3,479	$ 4,303