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Condensed Consolidating Balance Sheet (Detail) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Dec. 31, 2015
--- | --- | --- | --- | ---
ASSETS |  |  |  |
Cash and cash equivalents | $ 42,735 | $ 37,711 | $ 42,731 | $ 65,291
Accounts receivable, net of allowance | 241,143 | 229,885 |  |
Prepaid expenses and other current assets | 20,178 | 31,228 |  |
Total current assets | 304,056 | 298,824 |  |
Property and equipment, net | 2,799,476 | 2,837,657 |  |
Goodwill | 38,728 | 38,386 |  |
Non-current deferred tax assets | 15,460 | 13,735 |  |
Other assets | 85,046 | 83,002 |  |
Total assets | 3,242,766 | 3,271,604 |  |
LIABILITIES AND STOCKHOLDERS' EQUITY |  |  |  |
Accounts payable and accrued expenses | 266,405 | 260,107 |  |
Income taxes payable | 1,168 | 2,086 |  |
Current portion of long-term debt | 10,000 | 10,000 |  |
Total current liabilities | 277,573 | 272,193 |  |
Long-term debt, net | 1,411,210 | 1,435,169 |  |
Deferred revenue | 43,143 | 53,437 |  |
Other liabilities | 52,159 | 51,842 |  |
Total liabilities | 1,784,085 | 1,812,641 |  |
Total stockholders' equity | 1,458,681 | 1,458,963 | $ 1,444,193 | $ 1,462,748
Total liabilities and stockholders' equity | 3,242,766 | 3,271,604 |  |
Reportable Legal Entities | Parent |  |  |  |
ASSETS |  |  |  |
Cash and cash equivalents | 20,122 | 11,378 |  |
Accounts receivable, net of allowance | 190,866 | 237,495 |  |
Prepaid expenses and other current assets | 2,583 | 7,582 |  |
Total current assets | 213,571 | 256,455 |  |
Property and equipment, net | 2,477,110 | 2,493,025 |  |
Goodwill | 23,832 | 23,231 |  |
Other assets | 405,683 | 339,391 |  |
Total assets | 3,120,196 | 3,112,102 |  |
LIABILITIES AND STOCKHOLDERS' EQUITY |  |  |  |
Accounts payable and accrued expenses | 235,716 | 203,074 |  |
Income taxes payable | 1,945 | 1,850 |  |
Current portion of long-term debt | 10,000 | 10,000 |  |
Total current liabilities | 247,661 | 214,924 |  |
Long-term debt, net | 1,412,060 | 1,436,186 |  |
Non-current deferred tax liabilities | 495 | 321 |  |
Other liabilities | 1,299 | 1,708 |  |
Total liabilities | 1,661,515 | 1,653,139 |  |
Total stockholders' equity | 1,458,681 | 1,458,963 |  |
Total liabilities and stockholders' equity | 3,120,196 | 3,112,102 |  |
Reportable Legal Entities | Combined Subsidiary Guarantors |  |  |  |
ASSETS |  |  |  |
Cash and cash equivalents | 22,613 | 26,333 |  |
Accounts receivable, net of allowance | 347,066 | 270,952 |  |
Prepaid expenses and other current assets | 23,597 | 30,123 |  |
Total current assets | 393,276 | 327,408 |  |
Property and equipment, net | 322,366 | 344,632 |  |
Goodwill | 14,896 | 15,155 |  |
Non-current deferred tax assets | 15,955 | 14,056 |  |
Other assets | 64,472 | 57,873 |  |
Total assets | 810,965 | 759,124 |  |
LIABILITIES AND STOCKHOLDERS' EQUITY |  |  |  |
Accounts payable and accrued expenses | 333,480 | 342,072 |  |
Income taxes payable | (777) | 236 |  |
Total current liabilities | 332,703 | 342,308 |  |
Long-term debt, net | 114,150 | 113,983 |  |
Deferred revenue | 43,143 | 53,437 |  |
Other liabilities | 50,860 | 50,134 |  |
Total liabilities | 540,856 | 559,862 |  |
Total stockholders' equity | 270,109 | 199,262 |  |
Total liabilities and stockholders' equity | 810,965 | 759,124 |  |
Consolidating Adjustments and Other |  |  |  |
ASSETS |  |  |  |
Accounts receivable, net of allowance | (296,789) | (278,562) |  |
Prepaid expenses and other current assets | (6,002) | (6,477) |  |
Total current assets | (302,791) | (285,039) |  |
Non-current deferred tax assets | (495) | (321) |  |
Other assets | (385,109) | (314,262) |  |
Total assets | (688,395) | (599,622) |  |
LIABILITIES AND STOCKHOLDERS' EQUITY |  |  |  |
Accounts payable and accrued expenses | (302,791) | (285,039) |  |
Total current liabilities | (302,791) | (285,039) |  |
Long-term debt, net | (115,000) | (115,000) |  |
Non-current deferred tax liabilities | (495) | (321) |  |
Total liabilities | (418,286) | (400,360) |  |
Total stockholders' equity | (270,109) | (199,262) |  |
Total liabilities and stockholders' equity | $ (688,395) | $ (599,622) |  |

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