Segment Information - Schedule of Revenue by Geographic Region (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2016	Aug. 31, 2015
Segment Reporting Information [Line Items]
Revenue	$ 87,930	$ 78,371	$ 174,584	$ 156,345
North America
Segment Reporting Information [Line Items]
Revenue	65,855	57,027	130,952	113,068
United States
Segment Reporting Information [Line Items]
Revenue	62,413	53,730	124,006	106,534
Other
Segment Reporting Information [Line Items]
Revenue	3,442	3,297	6,946	6,534
Latin America
Segment Reporting Information [Line Items]
Revenue	1,225	1,096	2,350	2,112
Asia-Pacific
Segment Reporting Information [Line Items]
Revenue	5,235	4,850	10,284	9,505
EMEA
Segment Reporting Information [Line Items]
Revenue	$ 15,615	$ 15,398	$ 30,998	$ 31,660