Quarterly report pursuant to Section 13 or 15(d)

Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidating Condensed Statement of Operations (Detail)

v3.4.0.3
Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidating Condensed Statement of Operations (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Condensed Financial Statements [Line Items]    
Total revenues $ 130,503 $ 204,076
Operating expenses 108,117 139,270
Depreciation and amortization 35,814 40,539
Total operating gross margin (13,428) 24,267
General and administration expense (9,781) (10,837)
Gain (loss) on disposition of assets, net (60) 2,441
Total operating income (loss) (23,269) 15,871
Other income and (expense):    
Interest expense (11,562) (11,078)
Interest income 7 183
Other 2,485 (1,380)
Equity in net earnings of subsidiaries 0 0
Total other expense (9,070) (12,275)
Income (loss) before income taxes (32,339) 3,596
Income tax expense (benefit) 63,496 (182)
Deferred Income Tax Expense (Benefit) (63,411) (6,304)
Net income (loss) (95,835) 3,778
Net Income (Loss) Attributable to Noncontrolling Interest 0 556
Net income (loss) attributable to controlling interest (95,835) 3,222
Parent [Member]    
Condensed Financial Statements [Line Items]    
Total revenues 0 0
Operating expenses 0 0
Depreciation and amortization 0 0
Total operating gross margin 0 0
General and administration expense (87) (112)
Gain (loss) on disposition of assets, net 0 0
Total operating income (loss) (87) (112)
Other income and (expense):    
Interest expense (11,857) (11,059)
Interest income 204 417
Other 0 0
Equity in net earnings of subsidiaries (16,225) 8,988
Total other expense (27,878) (1,654)
Income (loss) before income taxes (27,965) (1,766)
Income tax expense (benefit) 67,870 (4,988)
Deferred Income Tax Expense (Benefit) 57,677 (7,932)
Net income (loss) (95,835) 3,222
Net Income (Loss) Attributable to Noncontrolling Interest 0 0
Net income (loss) attributable to controlling interest (95,835) 3,222
Guarantor [Member]    
Condensed Financial Statements [Line Items]    
Total revenues 47,382 79,395
Operating expenses 32,835 44,145
Depreciation and amortization 23,125 23,311
Total operating gross margin (8,578) 11,939
General and administration expense (9,613) (10,115)
Gain (loss) on disposition of assets, net (56) 52
Total operating income (loss) (18,247) 1,876
Other income and (expense):    
Interest expense (437) (17)
Interest income 179 3
Other 485 10
Equity in net earnings of subsidiaries 0 0
Total other expense 227 (4)
Income (loss) before income taxes (18,020) 1,872
Income tax expense (benefit) (3,707) (447)
Deferred Income Tax Expense (Benefit) 5,185 3,117
Net income (loss) (14,313) 2,319
Net Income (Loss) Attributable to Noncontrolling Interest 0 0
Net income (loss) attributable to controlling interest (14,313) 2,319
Non-Guarantor [Member]    
Condensed Financial Statements [Line Items]    
Total revenues 106,477 150,931
Operating expenses 98,638 121,375
Depreciation and amortization 12,689 17,228
Total operating gross margin (4,850) 12,328
General and administration expense (81) (610)
Gain (loss) on disposition of assets, net (4) 2,389
Total operating income (loss) (4,935) 14,107
Other income and (expense):    
Interest expense (2,859) (328)
Interest income 3,215 89
Other 2,000 (1,390)
Equity in net earnings of subsidiaries 0 0
Total other expense 2,356 (1,629)
Income (loss) before income taxes (2,579) 12,478
Income tax expense (benefit) (667) 5,253
Deferred Income Tax Expense (Benefit) 549 (1,489)
Net income (loss) (1,912) 7,225
Net Income (Loss) Attributable to Noncontrolling Interest 0 556
Net income (loss) attributable to controlling interest (1,912) 6,669
Eliminations [Member]    
Condensed Financial Statements [Line Items]    
Total revenues (23,356) (26,250)
Operating expenses (23,356) (26,250)
Depreciation and amortization 0 0
Total operating gross margin 0 0
General and administration expense 0 0
Gain (loss) on disposition of assets, net 0 0
Total operating income (loss) 0 0
Other income and (expense):    
Interest expense 3,591 326
Interest income (3,591) (326)
Other 0 0
Equity in net earnings of subsidiaries 16,225 (8,988)
Total other expense 16,225 (8,988)
Income (loss) before income taxes 16,225 (8,988)
Income tax expense (benefit) 0 0
Deferred Income Tax Expense (Benefit) 0 0
Net income (loss) 16,225 (8,988)
Net Income (Loss) Attributable to Noncontrolling Interest 0 0
Net income (loss) attributable to controlling interest $ 16,225 $ (8,988)