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v3.24.0.1

Consolidated Statements Of Cash Flows - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Cash flows from operating activities: |  |  |
Net income | $ 817.6 | $ 673.8 | $ 784.8
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation of property and equipment | 44.1 | 46.9 | 47.9
Stock-based compensation | 59.7 | 58.6 | 53.4
Investment Income, Amortization of Discount | 27.8 | 7.7 | 0.4
Other Noncash Income (Expense) | 3.3 | 3.8 | 6.4
Changes in operating assets and liabilities |  |  |
Prepaid expenses and other assets | (1.5) | 9.5 | (14.0)
Accounts payable and accrued liabilities | (2.2) | (13.3) | 1.4
Deferred revenues | 27.0 | 65.7 | 90.5
Net deferred income taxes and other long term tax liabilities | (66.4) | (6.2) | (162.8)
Net Cash Provided by (Used in) Operating Activities | 853.8 | 831.1 | 807.2
Cash flows from investing activities: |  |  |
Proceeds from maturities and sales of marketable securities | 1,278.9 | 1,721.5 | 2,654.5
Purchases of marketable securities | (1,330.5) | (1,338.4) | (2,870.7)
Purchases of property and equipment | (45.8) | (27.4) | (53.0)
Net cash provided by (used in) investing activities | (97.4) | 355.7 | (269.2)
Cash flows from financing activities: |  |  |
Repurchases of common stock | (901.4) | (1,048.1) | (722.6)
Proceeds from issuance of common stock from option exercises and employee stock purchase plans | 12.3 | 12.3 | 12.4
Repayment of Borrowings | 0.0 | 0.0 | (750.0)
Proceeds from Debt, Net of Issuance Costs | 0.0 | 0.0 | 741.1
Proceeds from (Payments for) Other Financing Activities | (0.7) | 0.0 | 0.0
Net cash used in financing activities | (889.8) | (1,035.8) | (719.1)
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations | (0.1) | (0.8) | (0.7)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect | (133.5) | 150.2 | (181.8)
Cash and cash equivalents at end of period | 240.1 | 373.6 |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents | 245.5 | 379.0 | 228.8
Supplemental cash flow disclosures: |  |  |
Cash paid for interest, net of capitalized interest | 72.8 | 72.8 | 85.6
Cash paid for income taxes, net of refunds received | $ 239.7 | $ 211.7 | $ 178.4

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