v3.7.0.1

Condensed Consolidating Financial Information - Guarantor Subsidiaries - Condensed Consolidating Statements of Operations (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Condensed Income Statements, Captions [Line Items] |  |  |
Operating revenues, net |  | $ 134,618 | $ 164,016
Expenses: |  |  |
Direct expenses |  | 136,513 | 152,554
Selling, general and administrative expenses |  | 13,044 | 11,673
Total operating expenses |  | 149,557 | 164,227
Equity in loss of unconsolidated affiliate |  | 1,003 |
Loss on disposal of assets, net |  |  | 359
Operating (loss) income |  | (15,942) | (570)
Interest expense |  | 8,195 | 7,533
Other income, net |  | (1,064) | (615)
Total expenses |  | 7,131 | 6,918
(Loss) earnings before income taxes |  | (23,073) | (7,488)
Income tax (benefit) expense |  | (7,825) | 1,444
Net (loss) earnings |  | (15,248) | (8,932)
Parent Company Only (issuer) [Member] |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |
Operating revenues, net |  | 74,284 | 91,869
Expenses: |  |  |
Direct expenses |  | 82,344 | 92,037
Selling, general and administrative expenses |  | 10,108 | 9,044
Total operating expenses |  | 92,452 | 101,081
Equity in loss of unconsolidated affiliate |  | 1,003 |
Loss on disposal of assets, net |  |  | 359
Operating (loss) income |  | (19,171) | (9,571)
Equity in net income of consolidated subsidiaries |  | (2,631) | (5,054)
Interest expense |  | 8,174 | 7,513
Other income, net |  | (1,067) | (786)
Total expenses |  | 4,476 | 1,673
(Loss) earnings before income taxes |  | (23,647) | (11,244)
Income tax (benefit) expense |  | (8,399) | (2,312)
Net (loss) earnings |  | (15,248) | (8,932)
Guarantor Subsidiaries [Member] |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |
Operating revenues, net | [1] | 60,334 | 72,147
Expenses: |  |  |
Direct expenses | [1] | 54,169 | 60,517
Selling, general and administrative expenses | [1] | 2,940 | 2,802
Total operating expenses | [1] | 57,109 | 63,319
Operating (loss) income | [1] | 3,225 | 8,828
Interest expense | [1] | 21 | 20
Other income, net | [1] | (1) | (2)
Total expenses | [1] | 20 | 18
(Loss) earnings before income taxes | [1] | 3,205 | 8,810
Income tax (benefit) expense | [1] | 574 | 3,756
Net (loss) earnings | [1] | 2,631 | 5,054
Eliminations [Member] |  |  |
Expenses: |  |  |
Selling, general and administrative expenses |  | (4) | (173)
Total operating expenses |  | (4) | (173)
Operating (loss) income |  | 4 | 173
Equity in net income of consolidated subsidiaries |  | 2,631 | 5,054
Other income, net |  | 4 | 173
Total expenses |  | 2,635 | 5,227
(Loss) earnings before income taxes |  | (2,631) | (5,054)
Net (loss) earnings |  | $ (2,631) | $ (5,054)
[1] | Foreign subsidiaries represent minor subsidiaries and are included in the guarantor subsidiaries' amounts.

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