Annual report pursuant to Section 13 and 15(d)

Statements Of Cash Flows

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Statements Of Cash Flows - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Cash flows from operating activities:      
Net income $ 463,774 $ 295,765 $ 304,690
Adjustments to reconcile net income to net cash provided by operating activities:      
Depreciation and amortization 205,763 189,867 165,343
(Gain) loss on sale of property and equipment 1,274 168 (3,592)
Deferred income taxes (82,639) 34,808 43,642
Share-based compensation 3,242 1,410 0
Changes in assets and liabilities      
Customer and other receivables, net (76,353) (11,176) (8,672)
Prepaid expenses and other assets (12,885) (21,227) (6,097)
Accounts payable (15,487) 22,442 21,460
Compensation, benefits and other accrued liabilities 25,330 4,965 14,699
Claims and insurance accruals 1,843 6,548 11,549
Income taxes, net (4,939) 21,184 11,511
Other liabilities 27,371 20,829 (653)
Net cash provided by operating activities 536,294 565,583 553,880
Cash flows from investing activities:      
Purchase of property and equipment (382,125) (417,941) (462,059)
Proceeds from sale of property and equipment 12,240 10,541 24,442
Payments for (Proceeds from) Other Investing Activities 2,139 0 0
Net cash used in investing activities (367,746) (407,400) (437,617)
Cash flows from financing activities:      
Principal payments under long-term debt agreements 0 (26,488) (37,778)
Net (payments) proceeds on revolving line of credit (9,975) (2,342) 12,317
Dividends (32,925) 0 0
Payments for Repurchase of Common Stock (8,013) (130,316) (114,117)
Other financing activities, net (344) (338) 0
Net cash (used in) provided by financing activities (51,257) (159,484) (139,578)
(Decrease) increase in cash and cash equivalents 117,291 (1,301) (23,315)
Cash and cash equivalents at beginning of year 10,171 11,472 34,787
Cash and cash equivalents at end of year 127,462 10,171 11,472
Income taxes paid 199,404 123,395 130,058
Interest paid 5,442 6,417 8,414
Capitalized interest $ 3,309 $ 2,262 $ 2,526