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v3.20.2

Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2020 | Sep. 30, 2019
Cash flows from operating activities: |  |
Net income | $ 657,574 | $ 463,974
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation of property and equipment | 34,463 | 34,327
Stock-based compensation | 36,106 | 38,237
Accretion (Amortization) of Discounts and Premiums, Investments | (5,844) | (10,271)
Other Noncash Income (Expense) | 2,638 | (2,126)
Changes in operating assets and liabilities |  |
Other assets | (11,107) | (12,123)
Accounts payable and accrued liabilities | (5,912) | (7,110)
Deferred revenues | 27,673 | 24,563
Deferred Income Taxes | (195,353) | 26,571
Net cash provided by operating activities | 534,962 | 560,294
Net Cash Provided by (Used in) Investing Activities [Abstract] |  |
Proceeds from maturities and sales of marketable securities | 1,804,541 | 1,523,862
Purchases of marketable securities | (2,093,437) | (1,721,661)
Payments for (Proceeds from) Businesses and Interest in Affiliates | 20,009 | (8,530)
Purchases of property and equipment | (36,933) | (31,498)
Net cash used in investing activities | (305,820) | (237,827)
Cash flows from financing activities: |  |
Proceeds from employee stock purchase plans | 12,577 | 13,152
Repurchases of common stock | (603,705) | (583,485)
Net cash used in financing activities | (591,128) | (570,333)
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents | (506) | (208)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect | (362,492) | (248,074)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning of period | 517,601 | 366,753
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, end of period | 155,109 | 118,679
Supplemental cash flow disclosures: |  |
Cash paid for interest | 56,860 | 57,074
Cash paid for income taxes, net of refunds received | $ 105,258 | $ 75,197

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