v3.19.3.a.u2
Statements of Cash Flows - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Cash flows from operating activities:      
Net income $ 615,518 $ 605,668 $ 463,774
Adjustments to reconcile net income to net cash provided by operating activities:      
Depreciation and amortization 253,681 230,357 205,763
Noncash lease expense 11,066    
Loss on disposal of property and equipment 6,066 477 1,274
Deferred income taxes 13,157 57,709 (82,639)
Share-based compensation 16,717 4,894 3,242
Changes in assets and liabilities:      
Customer and other receivables, net 30,330 (34,666) (76,353)
Prepaid expenses and other assets (16,807) (12,003) (12,885)
Accounts payable (8,264) 4,789 (15,487)
Compensation, benefits and other accrued liabilities 3,263 47,552 25,330
Claims and insurance accruals 5,297 8,142 1,843
Income taxes, net 32,612 (17,813) (4,939)
Other liabilities 21,252 5,010 27,371
Net cash provided by operating activities 983,888 900,116 536,294
Cash flows from investing activities:      
Purchase of property and equipment (479,325) (588,292) (382,125)
Proceeds from sale of property and equipment 5,686 6,983 12,240
Other investing activities, net   918 2,139
Net cash used in investing activities (473,639) (580,391) (367,746)
Cash flows from financing activities:      
Principal payments under long-term debt agreements   (50,000)  
Net payments on revolving line of credit     (9,975)
Dividends paid (54,552) (42,566) (32,925)
Payments for share repurchases (240,960) (163,265) (8,013)
Other financing activities, net (1,448) (1,074) (344)
Net cash used in financing activities (296,960) (256,905) (51,257)
Increase in cash and cash equivalents 213,289 62,820 117,291
Cash and cash equivalents at beginning of year 190,282 127,462 10,171
Cash and cash equivalents at end of year 403,571 190,282 127,462
Income taxes paid 157,290 170,035 199,404
Interest paid 3,857 4,525 5,442
Capitalized interest $ 3,128 $ 3,237 $ 3,309

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