Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements Of Cash Flows

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Condensed Statements Of Cash Flows (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Cash flows from operating activities:    
Net income $ 129,971 $ 99,587
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 80,795 66,530
Loss on sale of property and equipment (789) (900)
Deferred income taxes 11,875 33,679
Other operating activities, net 692 347
Net cash provided by operating activities 222,738 200,349
Cash flows from investing activities:    
Purchase of property and equipment (309,661) (209,900)
Proceeds from sale of property and equipment 5,445 5,210
Net cash used in investing activities (304,216) (204,690)
Cash flows from financing activities:    
Proceeds from issuance of long-term debt 412 96,010
Principal payments under long-term debt agreements (37,260) (37,027)
Net proceeds (payments) from revolving line of credit 49,380 (66,230)
Proceeds from stock issuance, net of issuance costs 0 48,400
Other financing activities, net (2) 0
Net cash provided by financing activities 12,530 41,153
(Decrease) increase in cash and cash equivalents (68,948) 36,812
Cash and cash equivalents at beginning of period 75,850 5,450
Cash and cash equivalents at end of period 6,902 42,262
Supplemental disclosure of noncash investing activities:    
Acquisition of property and equipment by capital lease $ 1,094 $ 504