v3.23.2
Condensed Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Cash flows from operating activities:    
Net income $ 577,400 $ 675,829
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 155,738 135,658
Gain on disposal of property and equipment (6,431) (2,061)
Other, net 14,871 15,649
Changes in operating assets and liabilities, net (38,371) (9,022)
Net cash provided by operating activities 703,207 816,053
Cash flows from investing activities:    
Purchase of property and equipment (479,396) (323,063)
Proceeds from sale of property and equipment 17,610 18,928
Purchase of short-term investments   (99,997)
Proceeds from maturities of short-term investments 48,852 129,884
Net cash used in investing activities (412,934) (274,248)
Cash flows from financing activities:    
Payments for share repurchases (302,195) (731,870)
Principal payments under debt agreements (20,000)  
Dividends paid (87,827) (68,035)
Other financing activities, net (11,422) (8,330)
Net cash used in financing activities (421,444) (808,235)
Decrease in cash and cash equivalents (131,171) (266,430)
Cash and cash equivalents at beginning of period 186,312 462,564
Cash and cash equivalents at end of period $ 55,141 $ 196,134

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