Capital Stock (Tables)

6 Months Ended

Jul. 31, 2018

Equity [Abstract]

Schedule of Ordinary Shares Reserved for Future Issuance under EIP and ESPP

As of July 31, 2018 and January 31, 2018, the following ordinary shares were reserved for future issuance under the EIP and ESPP:

	As of
	July 31, 2018		January 31, 2018
Shares reserved for options, restricted stock and    restricted stock units under EIP		6,422,836		5,561,653
Shares reserved for ESPP		1,909,046		1,561,841