v3.5.0.2

Condensed Consolidating Financial Information - Guarantor Subsidiaries - Condensed Consolidating Statements of Operations (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Condensed Income Statements, Captions [Line Items] |  |  |  |  |
Operating revenues, net |  | $ 158,093 | $ 214,733 | $ 489,245 | $ 617,477
Expenses: |  |  |  |  |
Direct expenses |  | 144,938 | 182,064 | 449,909 | 520,099
Selling, general and administrative expenses |  | 13,381 | 11,575 | 36,832 | 34,859
Total operating expenses |  | 158,319 | 193,639 | 486,741 | 554,958
Loss (gain) on disposal of assets, net |  | 85 | (165) | (3,854) | (238)
Equity in loss of unconsolidated affiliate |  | 198 | 75 | 274 | 249
Operating income |  | (509) | 21,184 | 6,084 | 62,508
Interest expense |  | 7,719 | 7,366 | 22,792 | 21,691
Other income, net |  | (462) | (472) | (1,571) | (1,501)
Total expenses |  | 7,257 | 6,894 | 21,221 | 20,190
(Loss) earnings before income taxes |  | (7,766) | 14,290 | (15,137) | 42,318
Income tax (benefit) expense |  | (2,799) | 6,621 | (5,515) | 17,832
Net (loss) earnings |  | (4,967) | 7,669 | (9,622) | 24,486
Parent Company Only (issuer) [Member] |  |  |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |  |  |
Operating revenues, net |  | 79,532 | 124,505 | 260,766 | 368,202
Expenses: |  |  |  |  |
Direct expenses |  | 83,188 | 111,876 | 264,761 | 321,841
Selling, general and administrative expenses |  | 10,639 | 9,219 | 28,914 | 27,198
Total operating expenses |  | 93,827 | 121,095 | 293,675 | 349,039
Loss (gain) on disposal of assets, net |  | 85 | (165) | (3,854) | (238)
Equity in loss of unconsolidated affiliate |  | 198 | 75 | 274 | 249
Operating income |  | (14,578) | 3,500 | (29,329) | 19,152
Equity in net income of consolidated subsidiaries |  | (8,372) | (10,682) | (20,462) | (26,044)
Interest expense |  | 7,716 | 7,274 | 22,762 | 21,599
Other income, net |  | (812) | (474) | (2,415) | (1,508)
Total expenses |  | (1,468) | (3,882) | (115) | (5,953)
(Loss) earnings before income taxes |  | (13,110) | 7,382 | (29,214) | 25,105
Income tax (benefit) expense |  | (8,143) | (287) | (19,592) | 619
Net (loss) earnings |  | (4,967) | 7,669 | (9,622) | 24,486
Guarantor Subsidiaries [Member] |  |  |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |  |  |
Operating revenues, net | [1] | 78,561 | 90,228 | 228,479 | 249,275
Expenses: |  |  |  |  |
Direct expenses | [1] | 61,750 | 70,192 | 185,148 | 198,271
Selling, general and administrative expenses | [1] | 3,092 | 2,356 | 8,766 | 7,661
Total operating expenses | [1] | 64,842 | 72,548 | 193,914 | 205,932
Operating income | [1] | 13,719 | 17,680 | 34,565 | 43,343
Interest expense | [1] | 3 | 92 | 30 | 92
Other income, net | [1] |  | (2) | (4) | (6)
Total expenses | [1] | 3 | 90 | 26 | 86
(Loss) earnings before income taxes | [1] | 13,716 | 17,590 | 34,539 | 43,257
Income tax (benefit) expense | [1] | 5,344 | 6,908 | 14,077 | 17,213
Net (loss) earnings | [1] | 8,372 | 10,682 | 20,462 | 26,044
Eliminations [Member] |  |  |  |  |
Expenses: |  |  |  |  |
Direct expenses |  |  | (4) |  | (13)
Selling, general and administrative expenses |  | (350) |  | (848) |
Total operating expenses |  | (350) | (4) | (848) | (13)
Operating income |  | 350 | 4 | 848 | 13
Equity in net income of consolidated subsidiaries |  | 8,372 | 10,682 | 20,462 | 26,044
Other income, net |  | 350 | 4 | 848 | 13
Total expenses |  | 8,722 | 10,686 | 21,310 | 26,057
(Loss) earnings before income taxes |  | (8,372) | (10,682) | (20,462) | (26,044)
Net (loss) earnings |  | $ (8,372) | $ (10,682) | $ (20,462) | $ (26,044)
[1] | Foreign subsidiaries represent minor subsidiaries and are included in the guarantor subsidiaries' amounts.

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