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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
shares in Thousands, $ in Thousands
Jul. 31, 2021
Jul. 31, 2020
Accounts receivable, allowance $ 892 $ 804
Preferred stock, par value (in dollars per share) $ 0.000025 $ 0.000025
Preferred stock, shares authorized (in shares) 200,000 200,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.000025 $ 0.000025
Common stock, shares authorized (in shares) 1,200,000 1,200,000
Common stock, shares issued (in shares) 214,210 201,949
Common stock, shares outstanding (in shares) 214,210 201,949
Common Class A    
Common stock, par value (in dollars per share) $ 0.000025 $ 0.000025
Common stock, shares authorized (in shares) 1,000,000 1,000,000
Common stock, shares issued (in shares) 208,579 186,846
Common stock, shares outstanding (in shares) 208,579 186,846
Common Class B    
Common stock, par value (in dollars per share) $ 0.000025 $ 0.000025
Common stock, shares authorized (in shares) 200,000 200,000
Common stock, shares issued (in shares) 5,631 15,103
Common stock, shares outstanding (in shares) 5,631 15,103