Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements of Cash Flows (Unaudited)

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Condensed Statements of Cash Flows (Unaudited) - USD ($)
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Cash flows from operating activities:    
Net income $ 755,569,000 $ 482,850,000
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 193,106,000 196,157,000
(Gain) Loss on disposal of property and equipment (179,000) 255,000
Provision for deferred income taxes 9,193,000 (25,155,000)
Other, net 22,915,000 16,668,000
Changes in operating assets and liabilities, net (107,989,000) 15,683,000
Net cash provided by operating activities 872,615,000 686,458,000
Cash flows from investing activities:    
Purchase of property and equipment (384,688,000) (166,459,000)
Proceeds from sale of property and equipment 18,635,000 3,411,000
Purchase of short-term investments (254,832,000) (205,301,000)
Proceeds from maturities of short-term investments 360,203,000  
Other investing, net (500,000) (100,000)
Net cash used in investing activities (261,182,000) (368,449,000)
Cash flows from financing activities:    
Proceeds from issuance of long-term debt   99,923,000
Payments for share repurchases (536,465,000) (306,791,000)
Forward contract for accelerated share repurchases (62,500,000) (37,500,000)
Dividends paid (69,387,000) (53,471,000)
Other financing activities, net (4,750,000) (3,345,000)
Net cash used in financing activities (673,102,000) (301,184,000)
(Decrease) Increase in cash and cash equivalents (61,669,000) 16,825,000
Cash and cash equivalents at beginning of period 401,430,000 403,571,000
Cash and cash equivalents at end of period $ 339,761,000 $ 420,396,000