Other Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Feb. 29, 2016	Feb. 28, 2015	Feb. 28, 2014	Feb. 16, 2016
Commitments and Contingencies Disclosure [Abstract]
Number of shares of Class A common stock converted for each share of Preferred Stock	2.80			2.44
Rent expensed for continuing operations	$ 8,900	$ 9,100	$ 8,200
Sublease income	300	300	1,000
LOSS ON MODIFICATION OF PREFERRED STOCK	$ 162	$ 0	$ 0