Quarterly report pursuant to Section 13 or 15(d)

Statement of Cash Flow (Detail)

v2.4.0.6
Statement of Cash Flow (Detail) (USD $)
In Thousands, unless otherwise specified
 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Cash flows from operating activities:    
Net income (loss) $ 57,265 $ 39,525
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation and amortization 85,357 82,511
Loss on extinguishment of debt 1,766  
Gain on disposition of assets (2,466) (1,993)
Deferred income tax expense 8,403 19,736
Expenses not requiring cash 15,724 11,074
Change in accounts receivable 24,648 (4,476)
Change in other assets 564 48,869
Change in accrued income taxes (3,049)  
Change in liabilities (10,185) (16,531)
Net cash provided by (used in) operating activities 178,027 178,715
Cash flows from investing activities:    
Capital expenditures (147,658) (141,841)
Proceeds from the sale of assets 3,496 3,425
Proceeds from insurance settlements   250
Net cash (used in) investing activities (144,162) (138,166)
Cash flows from financing activities:    
Proceeds from debt issuance 130,000 50,000
Proceeds from draw on revolver credit facility     
Paydown on senior notes (125,000)  
Paydown on term note (18,000) (15,000)
Paydown on revolver credit facility   (25,000)
Payment of debt issuance costs (3,516) (504)
Payment of debt extinguishment costs (519)  
Proceeds from stock options exercised   183
Excess tax benefit from stock-based compensation (572) 1,424
Net cash provided by (used in) financing activities (17,607) 11,103
Net change in cash and cash equivalents 16,258 51,652
Cash and cash equivalents at beginning of period 97,869 51,431
Cash and cash equivalents at end of period 114,127 103,083
Parent [Member]
    
Cash flows from operating activities:    
Net income (loss) 57,411 39,727
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Loss on extinguishment of debt 1,766  
Deferred income tax expense 5,940 45,765
Expenses not requiring cash 13,264 12,666
Equity in net earnings of subsidiaries (61,553) (66,120)
Change in accounts receivable (291) (2,591)
Change in other assets (32,874) 53,150
Change in accrued income taxes (5,068)  
Change in liabilities 12,917 (4,887)
Net cash provided by (used in) operating activities (8,488) 77,710
Cash flows from investing activities:    
Intercompany dividend payment (8,387)  
Net cash (used in) investing activities (8,387)  
Cash flows from financing activities:    
Proceeds from debt issuance 130,000 50,000
Proceeds from draw on revolver credit facility     
Paydown on senior notes (125,000)  
Paydown on term note (18,000) (15,000)
Paydown on revolver credit facility   (25,000)
Payment of debt issuance costs (3,516) (504)
Payment of debt extinguishment costs (519)  
Proceeds from stock options exercised   183
Excess tax benefit from stock-based compensation (572) 1,424
Intercompany advances, net 56,280 (41,920)
Net cash provided by (used in) financing activities 38,673 (30,817)
Net change in cash and cash equivalents 21,798 46,893
Cash and cash equivalents at beginning of period 55,670 13,835
Cash and cash equivalents at end of period 77,468 60,728
Guarantor [Member]
    
Cash flows from operating activities:    
Net income (loss) 63,505 41,178
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation and amortization 49,127 46,721
Gain on disposition of assets (1,168) (1,137)
Deferred income tax expense 4,868 (65)
Expenses not requiring cash 689  
Change in accounts receivable 766 65,716
Change in other assets 61,320 2,071
Change in accrued income taxes 1,832  
Change in liabilities (21,430) (79,082)
Net cash provided by (used in) operating activities 159,509 75,402
Cash flows from investing activities:    
Capital expenditures (139,618) (132,287)
Proceeds from the sale of assets 1,667 3,073
Proceeds from insurance settlements   250
Intercompany dividend payment (4,357)  
Net cash (used in) investing activities (142,308) (128,964)
Cash flows from financing activities:    
Proceeds from draw on revolver credit facility     
Intercompany advances, net (13,507) 68,844
Net cash provided by (used in) financing activities (13,507) 68,844
Net change in cash and cash equivalents 3,694 15,282
Cash and cash equivalents at beginning of period 4,212 2,317
Cash and cash equivalents at end of period 7,907 17,599
Non-Guarantor [Member]
    
Cash flows from operating activities:    
Net income (loss) 42,011 24,740
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation and amortization 36,230 35,790
Gain on disposition of assets (1,298) (856)
Deferred income tax expense (2,405) (25,964)
Expenses not requiring cash 1,770 (1,592)
Change in accounts receivable 24,173 (67,601)
Change in other assets (27,882) (6,352)
Change in accrued income taxes 187  
Change in liabilities (1,672) 67,438
Net cash provided by (used in) operating activities 71,114 25,603
Cash flows from investing activities:    
Capital expenditures (8,040) (9,554)
Proceeds from the sale of assets 1,829 352
Intercompany dividend payment (31,364)  
Net cash (used in) investing activities (37,575) (9,202)
Cash flows from financing activities:    
Proceeds from draw on revolver credit facility     
Intercompany advances, net (42,773) (26,924)
Net cash provided by (used in) financing activities (42,773) (26,924)
Net change in cash and cash equivalents (9,234) (10,523)
Cash and cash equivalents at beginning of period 37,987 35,279
Cash and cash equivalents at end of period 28,752 24,756
Eliminations [Member]
    
Cash flows from operating activities:    
Net income (loss) (105,662) (66,120)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Expenses not requiring cash 1  
Equity in net earnings of subsidiaries 61,553 66,120
Net cash provided by (used in) operating activities (44,108)  
Cash flows from investing activities:    
Intercompany dividend payment 44,108  
Net cash (used in) investing activities 44,108  
Cash flows from financing activities:    
Proceeds from draw on revolver credit facility