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v3.8.0.1

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

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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration