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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2023 | Sep. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net income | $ 323,842 | $ 510,266
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Allowance for credit losses | 7,812 | 5,883
Depreciation | 37,963 | 34,769
Amortization of cloud computing implementation costs | 25,202 | 21,203
Amortization of intangible assets | 2,162 | 1,250
Realized and unrealized (gains) losses from investments held in employee deferred compensation trusts | (35,207) | 114,534
Stock-based compensation | 46,120 | 43,674
Deferred income taxes | (8,941) | 2,954
Changes in operating assets and liabilities, net of effects of acquisitions: |  |
Accounts receivable | 66,585 | (158,254)
Capitalized cloud computing implementation costs | (28,479) | (29,697)
Accounts payable and accrued expenses | (21,833) | (18,081)
Accrued payroll and benefit costs | (34,912) | 33,486
Employee deferred compensation plan obligations | 44,749 | (100,255)
Income taxes payable | 99,670 | 8,950
Other assets and liabilities, net | (2,485) | 10,794
Net cash flows provided by operating activities | 522,248 | 481,476
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Capital expenditures | (34,149) | (48,637)
Investments in employee deferred compensation trusts | (89,133) | (52,203)
Proceeds from employee deferred compensation trust redemptions | 33,231 | 28,640
Payments for acquisition | (1,035) | 0
Net cash flows used in investing activities | (91,086) | (72,200)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Repurchases of common stock | (198,888) | (257,848)
Dividends paid | (155,242) | (142,596)
Net cash flows used in financing activities | (354,130) | (400,444)
Effect of exchange rate fluctuations | (6,186) | (34,485)
Change in cash and cash equivalents | 70,846 | (25,653)
Cash and cash equivalents at beginning of period | 658,626 | 619,001
Cash and cash equivalents at end of period | 729,472 | 593,348
Non-cash items: |  |
Fund exchanges within employee deferred compensation trusts | 88,758 | 82,410
Contingent consideration related to acquisition | $ 350 | $ 0

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