Annual report pursuant to Section 13 and 15(d)

Statements Of Cash Flows

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Statements Of Cash Flows (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Cash flows from operating activities:      
Net income $ 139,470 $ 75,651 $ 34,871
Adjustments to reconcile net income to net cash provided by operating activities:      
Depreciation and amortization 90,820 80,362 94,784
Loss on sale of property and equipment 1,263 758 173
Deferred income taxes 43,348 7,624 10,778
Changes in assets and liabilities, net of acquisition effects:      
Customer and other receivables, net (40,414) (36,169) 2,806
Prepaid expenses and other assets (3,506) (12,760) (4,713)
Accounts payable 12,875 (4,247) (7,531)
Compensation, benefits and other accrued liabilities 17,626 22,476 (10,746)
Claims and insurance accruals 6,696 3,831 3,274
Income taxes, net 3,224 (3,613) 2,812
Other liabilities 5,978 7,163 4,208
Net cash provided by operating activities 277,380 141,076 130,716
Cash flows from investing activities:      
Purchase of property and equipment (250,214) (106,347) (210,888)
Proceeds from sale of property and equipment 5,436 2,050 2,303
Proceeds from sale of short-term investment securities 0 0 4,861
Net cash used in investing activities (244,778) (104,297) (203,724)
Cash flows from financing activities:      
Proceeds from issuance of long-term debt 96,010 0 0
Principal payments under long-term debt agreements (40,382) (36,681) (11,972)
Net (payments) proceeds on revolving line of credit (66,230) 1,183 65,047
Proceeds from stock issuance, net of issuance costs 48,400 0 0
Other financing activities, net 0 (2) 0
Net cash provided by (used in) financing activities 37,798 (35,500) 53,075
Increase (decrease) in cash and cash equivalents 70,400 1,279 (19,933)
Cash and cash equivalents at beginning of year 5,450 4,171 24,104
Cash and cash equivalents at end of year 75,850 5,450 4,171
Income taxes paid 34,579 44,893 9,027
Interest paid 14,011 13,561 14,708
Capitalized interest 895 682 1,654
Supplemental disclosure of noncash investing and financing activities:      
Acquisition of property and equipment by capital lease 8,570 1,183 468
Fair value of property exchanged $ 0 $ 544 $ 1,277