Capital Stock (Tables)

12 Months Ended

Jan. 31, 2016

Equity [Abstract]

Schedule of Ordinary Shares Reserved for Future Issuance

As of January 31, 2016 and 2015, the following ordinary shares were reserved for future issuance:

	As of January 31,
	2016		2015
Shares reserved for options, restricted stock and restricted stock units		5,027,475		5,055,845
Shares reserved for employee stock purchase plan		974,273		667,990