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
6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Cash flows from operating activities:    
Net income $ 119,736 $ 98,808
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 69,213 60,351
(Gain) loss on sale of property and equipment (2,396) (2,332)
Deferred income taxes (14,475) 2,067
Other operating activities, net 9,595 (5,030)
Net cash provided by operating activities 181,673 153,864
Cash flows from investing activities:    
Purchase of property and equipment (218,568) (156,354)
Proceeds from sale of property and equipment 18,225 8,613
Net cash used in investing activities (200,343) (147,741)
Cash flows from financing activities:    
Principal payments under long-term debt agreements (35,715) (36,290)
Net proceeds (payments) from revolving line of credit 44,000 24,680
Net cash provided by (used in) financing activities 8,285 (11,610)
(Decrease) increase in cash and cash equivalents (10,385) (5,487)
Cash and cash equivalents at beginning of period 30,174 12,857
Cash and cash equivalents at end of period $ 19,789 $ 7,370