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v3.20.4

Consolidated Statements Of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Oct. 31, 2020 | Oct. 31, 2019 | Oct. 31, 2018
Cash flow from operating activities: |  |  |
Net income attributed to Synopsys | $ 664,347 | $ 532,367 | $ 432,518
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Amortization and depreciation | 209,986 | 201,676 | 209,207
Reduction of operating lease right-of-use assets | 82,895 | 0 | 0
Amortization of capitalized costs to obtain revenue contracts | 61,185 | 62,750 | 0
Stock-based compensation | 248,584 | 155,001 | 140,032
Allowance for doubtful accounts | 20,875 | 11,669 | 3,368
(Gain) loss on sale of property and investments | (1,994) | (4,052) | (93)
Deferred income taxes | (111,526) | (82,620) | (210,310)
Other non-cash | 5,419 | (993) | (851)
Net changes in operating assets and liabilities, net of acquired assets and liabilities: |  |  |
Accounts receivable | (236,806) | (8,575) | (95,785)
Inventories | (55,024) | (17,396) | (65,751)
Prepaid and other current assets | (11,298) | (49,779) | (12,652)
Other long-term assets | (83,367) | (125,749) | (25,815)
Accounts payable and accrued liabilities | 113,773 | (19,280) | 49,043
Operating lease liabilities | (78,578) | 0 | 0
Income taxes | 14,120 | 19,777 | (103,841)
Deferred revenue | 148,722 | 125,717 | 105,329
Net cash provided by operating activities | 991,313 | 800,513 | 424,399
Cash flows from investing activities: |  |  |
Proceeds from sales and maturities of short-term investments | 0 | 0 | 12,449
Proceeds from sales of long-term investments | 2,151 | 6,361 | 494
Purchases of long-term investments | (2,762) | (3,245) | (3,561)
Proceeds from sale of property and equipment | 0 | 0 | 1,662
Purchases of property and equipment | (154,717) | (198,129) | (98,976)
Cash paid for acquisitions and intangible assets, net of cash acquired | (201,045) | (36,605) | (652,643)
Capitalization of software development costs | (4,045) | (4,259) | (2,950)
Net cash used in investing activities | (360,418) | (235,877) | (743,525)
Cash flows from financing activities: |  |  |
Proceeds from credit facilities | 276,489 | 192,897 | 620,635
Repayment of debt | (288,879) | (524,063) | (295,313)
Issuances of common stock | 197,403 | 156,364 | 123,829
Payments for taxes related to net share settlement of equity awards | (82,225) | (57,143) | (45,772)
Purchases of treasury stock | (242,078) | (329,185) | (400,000)
Other | (1,316) | (762) | 1,759
Net cash (used in) provided by financing activities | (140,606) | (561,892) | 5,138
Effect of exchange rate changes on cash, cash equivalents and restricted cash | 17,154 | 2,782 | (11,086)
Net change in cash, cash equivalents and restricted cash | 507,443 | 5,526 | (325,074)
Cash, cash equivalents and restricted cash, beginning of year | 730,527 | 725,001 | 1,050,075
Cash, cash equivalents and restricted cash, end of year | 1,237,970 | 730,527 | 725,001
Supplemental disclosure of cash flow information: |  |  |
Cash paid for income taxes during the year: | 70,711 | 75,744 | 252,522
Interest payments during the year: | $ 5,136 | $ 12,363 | $ 15,307

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