Goodwill and Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill (Detail)	12 Months Ended
	Feb. 29, 2016 USD ($)
Goodwill [Roll Forward]
Balance at beginning of fiscal year	$ 39,742,000
Goodwill acquired	30,054,000
Effect of foreign exchange rates	(201,000)
Balance at end of fiscal year	69,595,000
Goodwill impairment	$ 0