CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
6 Months Ended
Jan. 31, 2017
Jan. 31, 2016
Cash flows from operating activities:    
Net loss $ (255,381) $ (71,750)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:    
Depreciation and amortization 18,172 11,822
Stock-based compensation 143,335 10,336
Loss on debt extinguishment 3,320 0
Change in fair value of convertible preferred stock warrant liability 21,133 (1,904)
Other 929 (327)
Changes in operating assets and liabilities:    
Accounts receivable—net (39,730) (13,374)
Deferred commission (8,049) (9,179)
Prepaid expenses and other assets (2,707) 2,088
Accounts payable 11,342 (8,034)
Accrued compensation and benefits 11,811 1,484
Accrued expenses and other liabilities 1,594 (3,514)
Deferred revenue 118,143 81,209
Net cash (used in) provided by operating activities 23,912 (1,143)
Cash flows from investing activities:    
Purchases of property and equipment (24,616) (20,021)
Purchases of investments (117,550) (31,546)
Maturities of investments 41,200 40,285
Sale of investments 32,640 0
Payments for business acquisitions, net of cash acquired (184) 0
Net cash used in investing activities (68,510) (11,282)
Cash flows from financing activities:    
Proceeds from initial public offering, net of underwriting discounts and commissions 254,455 0
Payments of offering costs, net (1,609) (2,659)
Proceeds from exercise of stock options, net of repurchases 2,180 1,978
Repayment of senior notes (75,000) 0
Debt extinguishment costs (1,580) 0
Payment of debt in conjunction with a business acquisition (7,124) 0
Other 73 836
Net cash provided by financing activities 171,395 155
Net (decrease) increase in cash and cash equivalents 126,797 (12,270)
Cash and cash equivalents—beginning of period 99,209 67,879
Cash and cash equivalents—end of period 226,006 55,609
Supplemental disclosures of cash flow information:    
Cash paid for income taxes 2,344 1,489
Cash paid for interest 1,271 0
Supplemental disclosures of non-cash investing and financing information:    
Vesting of early exercised stock options 920 1,995
Purchases of property and equipment included in accounts payable 6,983 5,771
Offering costs included in accounts payable 51 803
Conversion of convertible preferred stock to common stock, net of issuance costs 310,379 0
Reclassification of convertible preferred stock warrant liability to additional paid-in capital 30,812 0
Issuance of common stock for business acquisitions $ 27,063 $ 0