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v3.19.1

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Apr. 30, 2019 | Apr. 30, 2018
Cash flows from operating activities |  |
Net loss | $ (116,275) | $ (74,410)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities: |  |
Depreciation and amortization | 61,165 | 38,664
Share-based compensation expenses | 185,235 | 132,659
Amortization of deferred costs | 20,880 | 16,360
Amortization of debt discount and issuance costs | 11,587 | 18,139
Other | 8,976 | (9,289)
Changes in operating assets and liabilities: |  |
Trade and other receivables, net | 157,379 | 168,702
Deferred costs | (18,485) | (12,606)
Prepaid expenses and other assets | (5,107) | 8,488
Accounts payable | 1,503 | 7,954
Accrued expenses and other liabilities | 21,403 | 11,627
Unearned revenue | (119,098) | (122,055)
Net cash provided by (used in) operating activities | 209,163 | 184,233
Cash flows from investing activities |  |
Purchases of marketable securities | (471,054) | (908,126)
Maturities of marketable securities | 460,097 | 686,676
Sales of marketable securities | 50,948 | 27,359
Owned real estate projects | (39,634) | (39,233)
Capital expenditures, excluding owned real estate projects | (65,535) | (48,862)
Purchases of non-marketable equity and other investments | (2,200) | (2,400)
Other | 23 | 0
Net cash provided by (used in) investing activities | (67,355) | (284,586)
Cash flows from financing activities |  |
Proceeds from issuance of common stock from employee equity plans | 3,455 | 2,611
Other | (93) | (57)
Net cash provided by (used in) financing activities | 3,362 | 2,554
Effect of exchange rate changes | (327) | (420)
Net increase (decrease) in cash, cash equivalents, and restricted cash | 144,843 | (98,219)
Cash, cash equivalents, and restricted cash at the beginning of period | 642,203 | 1,135,654
Cash, cash equivalents, and restricted cash at the end of period | 787,046 | 1,037,435
Supplemental cash flow data |  |
Cash paid for interest, net of amounts capitalized | 3 | 19
Cash paid for income taxes | 3,534 | 1,714
Non-cash investing and financing activities: |  |
Purchases of property and equipment, accrued but not paid | $ 77,429 | $ 62,196

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