Stock-Based Compensation (Tables)
|6 Months Ended|
Jan. 31, 2017
|Disclosure of Compensation Related Costs, Share-based Payments [Abstract]|
|Schedule of Assumptions Used to Calculate Fair Value of Stock Based Compensation||
The following assumptions were used to calculate the fair value of stock-based compensation during the three-month periods ended January 31, 2017 and 2016:
The following assumptions were used to calculate the fair value of stock-based compensation during the six-month periods ended January 31, 2017 and 2016:
No definition available.
Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.
Reference 1: http://www.xbrl.org/2003/role/presentationRef