Quarterly report pursuant to Section 13 or 15(d)

Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidated Condensed Statements of Cash Flows (Detail)

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Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidated Condensed Statements of Cash Flows (Detail) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Cash flows from operating activities:    
Net income $ 16,322 $ 17,064
Adjustments to reconcile net income (loss)    
Depreciation and amortization 106,666 97,674
Loss on extinguishment of debt (30,152) (5,218)
Gain on disposition of assets (433) (2,759)
Deferred income tax benefit 73 12,872
Expenses not requiring cash 10,141 9,928
Equity in net earnings of subsidiaries 0 0
Change in accounts receivable (5,188) (28,605)
Change in accrued income taxes (10,397) 2,877
Change in other assets 7,554 (1,346)
Change in liabilities (10,539) 12,412
Net cash provided by operating activities 144,351 125,335
Cash flows from investing activities:    
Capital expenditures (151,109) (102,856)
Acquisition of ITS, net of cash acquired 0 (117,991)
Proceeds from the sale of assets 2,294 5,533
Net cash used in investing activities (148,815) (215,314)
Cash flows from financing activities:    
Proceeds from debt issuance 400,000 350,000
Repayments of long term debt (425,000) (125,000)
Paydown on term note (7,500) (50,000)
Payment of debt issuance costs (7,630) (10,981)
Payments of debt extinguishment costs (26,214) 0
Excess tax benefit from stock-based compensation 430 531
Intercompany advances, net 0 0
Net cash used in financing activities (65,914) 164,550
Net increase (decrease) in cash and cash equivalents (70,378) 74,571
Cash and cash equivalents, beginning of year 148,689 87,886
Cash and cash equivalents, end of period 78,311 162,457
Parent [Member]
   
Cash flows from operating activities:    
Net income 15,698 16,843
Adjustments to reconcile net income (loss)    
Depreciation and amortization 0 0
Loss on extinguishment of debt (30,152) (5,218)
Gain on disposition of assets 79 0
Deferred income tax benefit (15,774) (2,860)
Expenses not requiring cash 9,940 10,494
Equity in net earnings of subsidiaries (50,591) (36,330)
Change in accounts receivable 0 (899)
Change in accrued income taxes (13,232) 358
Change in other assets 43,412 3,045
Change in liabilities (8,213) 14,222
Net cash provided by operating activities 11,471 10,091
Cash flows from investing activities:    
Capital expenditures 0 0
Acquisition of ITS, net of cash acquired 0 0
Proceeds from the sale of assets 0 0
Net cash used in investing activities 0 0
Cash flows from financing activities:    
Proceeds from debt issuance 400,000 350,000
Repayments of long term debt (425,000) (125,000)
Paydown on term note (7,500) (50,000)
Payment of debt issuance costs (7,630) (10,981)
Payments of debt extinguishment costs (26,214) 0
Excess tax benefit from stock-based compensation 430 531
Intercompany advances, net (10,677) (127,376)
Net cash used in financing activities (76,591) 37,174
Net increase (decrease) in cash and cash equivalents (65,120) 47,265
Cash and cash equivalents, beginning of year 88,697 42,251
Cash and cash equivalents, end of period 23,577 89,516
Guarantor [Member]
   
Cash flows from operating activities:    
Net income 54,169 27,612
Adjustments to reconcile net income (loss)    
Depreciation and amortization 63,343 57,335
Loss on extinguishment of debt 0 0
Gain on disposition of assets (522) (1,917)
Deferred income tax benefit 12,525 10,479
Expenses not requiring cash (1,538) 591
Equity in net earnings of subsidiaries 0 0
Change in accounts receivable (1,715) (7,951)
Change in accrued income taxes 11,764 (85)
Change in other assets (58,441) 4,580
Change in liabilities (9,395) (2,116)
Net cash provided by operating activities 70,190 88,528
Cash flows from investing activities:    
Capital expenditures (107,137) (66,956)
Acquisition of ITS, net of cash acquired 0 (292)
Proceeds from the sale of assets 1,088 2,751
Net cash used in investing activities (106,049) (64,497)
Cash flows from financing activities:    
Proceeds from debt issuance 0 0
Repayments of long term debt 0 0
Paydown on term note 0 0
Payment of debt issuance costs 0 0
Payments of debt extinguishment costs 0 0
Excess tax benefit from stock-based compensation 0 0
Intercompany advances, net 40,064 (13,781)
Net cash used in financing activities 40,064 (13,781)
Net increase (decrease) in cash and cash equivalents 4,205 10,250
Cash and cash equivalents, beginning of year 8,310 11,023
Cash and cash equivalents, end of period 12,515 21,273
Non-Guarantor [Member]
   
Cash flows from operating activities:    
Net income (2,954) 8,939
Adjustments to reconcile net income (loss)    
Depreciation and amortization 43,323 40,339
Loss on extinguishment of debt 0 0
Gain on disposition of assets 10 (842)
Deferred income tax benefit 3,322 5,253
Expenses not requiring cash 1,739 (1,157)
Equity in net earnings of subsidiaries 0 0
Change in accounts receivable (3,473) (19,755)
Change in accrued income taxes (8,929) 2,604
Change in other assets 22,583 (8,971)
Change in liabilities 7,069 306
Net cash provided by operating activities 62,690 26,716
Cash flows from investing activities:    
Capital expenditures (43,972) (35,900)
Acquisition of ITS, net of cash acquired 0 (117,699)
Proceeds from the sale of assets 1,206 2,782
Net cash used in investing activities (42,766) (150,817)
Cash flows from financing activities:    
Proceeds from debt issuance 0 0
Repayments of long term debt 0 0
Paydown on term note 0 0
Payment of debt issuance costs 0 0
Payments of debt extinguishment costs 0 0
Excess tax benefit from stock-based compensation 0 0
Intercompany advances, net (29,387) 141,157
Net cash used in financing activities (29,387) 141,157
Net increase (decrease) in cash and cash equivalents (9,463) 17,056
Cash and cash equivalents, beginning of year 51,682 34,612
Cash and cash equivalents, end of period 42,219 51,668
Eliminations [Member]
   
Cash flows from operating activities:    
Net income (50,591) (36,330)
Adjustments to reconcile net income (loss)    
Depreciation and amortization 0 0
Loss on extinguishment of debt 0 0
Gain on disposition of assets 0 0
Deferred income tax benefit 0 0
Expenses not requiring cash 0 0
Equity in net earnings of subsidiaries 50,591 36,330
Change in accounts receivable 0 0
Change in accrued income taxes 0 0
Change in other assets 0 0
Change in liabilities 0 0
Net cash provided by operating activities 0 0
Cash flows from investing activities:    
Capital expenditures 0 0
Acquisition of ITS, net of cash acquired 0 0
Proceeds from the sale of assets 0 0
Net cash used in investing activities 0 0
Cash flows from financing activities:    
Proceeds from debt issuance 0 0
Repayments of long term debt 0 0
Paydown on term note 0 0
Payment of debt issuance costs 0 0
Payments of debt extinguishment costs 0 0
Excess tax benefit from stock-based compensation 0 0
Intercompany advances, net 0 0
Net cash used in financing activities 0 0
Net increase (decrease) in cash and cash equivalents 0 0
Cash and cash equivalents, beginning of year 0 0
Cash and cash equivalents, end of period $ 0 $ 0