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Consolidated Statements Of Cash Flows - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Cash Flows from Operating Activities |  |
Net Income | $ 855.2 | $ 883.8
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Stock-based compensation | 23.3 | 20.2
Amortization of purchased intangibles | 55.2 | 56.8
Depreciation and amortization | 30.1 | 31.9
Net realized and unrealized (gains) losses on investments | (2.5) | (74.8)
Deferred income taxes | (7.4) | (8.7)
Change in: |  |
Accounts receivable | (93.4) | (241.2)
Other current assets | 464.0 | 54.7
Other assets | (0.2) | 19.4
Accounts payable | 20.5 | (24.2)
Income taxes payable | 151.4 | 282.5
Other current liabilities | (605.3) | (106.7)
Other liabilities | (1.8) | (7.2)
Other | 3.6 | 15.9
Net Cash Provided by (Used in) Operating Activities | 892.7 | 902.4
Cash Flows from Investing Activities |  |
Proceeds from maturities of available-for-sale marketable securities | 1.7 | 0.7
Purchases of available-for-sale marketable securities | (1.2) | (0.3)
Purchases of property, net | (19.8) | (15.2)
Investments in privately-held equity investments | (3.5) | (2.4)
Net Cash Used in Investing Activities | (22.8) | (17.2)
Cash Flows from Financing Activities |  |
Cash dividends | (2,328.4) | (2,035.6)
Change in performance bond and guaranty fund contributions | 4,281.4 | (7,158.5)
Employee taxes paid on restricted stock vesting | (12.3) | (0.3)
Other | (4.3) | (4.1)
Net Cash Provided by (Used in) Financing Activities | 1,936.4 | (9,198.5)
Net change in cash, cash equivalents and restricted cash | 2,806.3 | (8,313.3)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning balance | 93,109.7 | 137,974.3
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, ending balance | 95,916.0 | 129,661.0
Cash and cash equivalents | 1,436.9 | 1,565.2
Short-term restricted cash | 5.2 | 5.1
Long-term restricted cash | 0.0 |
Restricted cash and restricted cash equivalents (performance bonds and guaranty fund contributions) | 94,473.9 | 128,090.7
Income taxes paid | 114.8 | 30.9
Interest paid | 41.1 | 41.1
AccruedProceedsfromSaleofInvestment | $ 0.0 | $ 97.9

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