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Condensed Consolidating Financial Information (Balance Sheets) (Details) - USD ($) $ in Thousands | Jun. 30, 2015 | Dec. 31, 2014 | Jun. 30, 2014 | Dec. 31, 2013
--- | --- | --- | --- | ---
Assets |  |  |  |
Other current assets | $ 106,358 | $ 96,609 |  |
Property and equipment, net | 2,240,299 | 2,286,108 |  |
Investments in subsidiaries | 232,708 | 222,717 |  |
Intercompany receivable | 0 | 0 |  |
Other assets, net | 109,373 | 108,590 |  |
Intangible assets, net | 920,902 | 934,249 |  |
Goodwill, net | 685,310 | 685,310 |  |
Total assets | 4,419,473 | 4,478,924 |  |
Liabilities and Stockholders’ Equity |  |  |  |
Current maturities of long-term debt | 27,688 | 29,753 |  |
Other current liabilities | 312,529 | 327,442 |  |
Accumulated losses of subsidiaries in excess of investment | 0 | 0 |  |
Intercompany payable | 0 | 0 |  |
Long-term debt, net of current maturities | 3,361,618 | 3,431,638 |  |
Other long-term liabilities | 243,169 | 252,004 |  |
Common stock | 1,105 | 1,093 |  |
Additional paid-in capital | 930,567 | 922,112 |  |
Retained earnings (deficit) | (456,437) | (485,115) |  |
Accumulated other comprehensive income (loss), net | (816) | (53) |  |
Total Boyd Gaming Corporation stockholders’ equity | 474,419 | 438,037 |  |
Noncontrolling interest | 50 | 50 | $ 180,106 | $ 180,450
Total stockholders' equity (deficit) | 474,469 | 438,087 | $ 655,798 | $ 650,437
Total liabilities and stockholders’ equity | 4,419,473 | 4,478,924 |  |
Parent |  |  |  |
Assets |  |  |  |
Other current assets | 13,687 | 10,234 |  |
Property and equipment, net | 63,965 | 65,365 |  |
Investments in subsidiaries | 3,472,916 | 3,345,735 |  |
Intercompany receivable | 0 | 0 |  |
Other assets, net | 46,222 | 36,600 |  |
Intangible assets, net | 0 | 0 |  |
Goodwill, net | 0 | 0 |  |
Total assets | 3,596,790 | 3,457,936 |  |
Liabilities and Stockholders’ Equity |  |  |  |
Current maturities of long-term debt | 21,500 | 21,500 |  |
Other current liabilities | 76,491 | 82,711 |  |
Accumulated losses of subsidiaries in excess of investment | 0 | 0 |  |
Intercompany payable | 803,184 | 668,310 |  |
Long-term debt, net of current maturities | 2,179,438 | 2,207,490 |  |
Other long-term liabilities | 41,758 | 39,888 |  |
Common stock | 1,105 | 1,093 |  |
Additional paid-in capital | 930,567 | 922,112 |  |
Retained earnings (deficit) | (456,437) | (485,115) |  |
Accumulated other comprehensive income (loss), net | (816) | (53) |  |
Total Boyd Gaming Corporation stockholders’ equity | 474,419 | 438,037 |  |
Noncontrolling interest | 0 | 0 |  |
Total stockholders' equity (deficit) | 474,419 | 438,037 |  |
Total liabilities and stockholders’ equity | 3,596,790 | 3,457,936 |  |
Guarantor Subsidiaries |  |  |  |
Assets |  |  |  |
Other current assets | 75,923 | 69,012 |  |
Property and equipment, net | 1,749,467 | 1,775,486 |  |
Investments in subsidiaries | 140,020 | 150,694 |  |
Intercompany receivable | 1,784,227 | 1,637,101 |  |
Other assets, net | 9,270 | 9,149 |  |
Intangible assets, net | 424,562 | 425,083 |  |
Goodwill, net | 212,794 | 212,794 |  |
Total assets | 4,489,814 | 4,390,771 |  |
Liabilities and Stockholders’ Equity |  |  |  |
Current maturities of long-term debt | 0 | 0 |  |
Other current liabilities | 156,761 | 160,542 |  |
Accumulated losses of subsidiaries in excess of investment | 0 | 0 |  |
Intercompany payable | 0 | 0 |  |
Long-term debt, net of current maturities | 0 | 0 |  |
Other long-term liabilities | 149,997 | 169,824 |  |
Common stock | 31,124 | 31,124 |  |
Additional paid-in capital | 2,718,022 | 2,717,841 |  |
Retained earnings (deficit) | 1,434,725 | 1,311,492 |  |
Accumulated other comprehensive income (loss), net | (815) | (52) |  |
Total Boyd Gaming Corporation stockholders’ equity | 4,183,056 | 4,060,405 |  |
Noncontrolling interest | 0 | 0 |  |
Total stockholders' equity (deficit) | 4,183,056 | 4,060,405 |  |
Total liabilities and stockholders’ equity | 4,489,814 | 4,390,771 |  |
Non-Guarantor Subsidiaries (100% Owned) |  |  |  |
Assets |  |  |  |
Other current assets | 31,081 | 21,980 |  |
Property and equipment, net | 426,867 | 445,257 |  |
Investments in subsidiaries | 0 | 0 |  |
Intercompany receivable | 0 | 0 |  |
Other assets, net | 53,881 | 62,841 |  |
Intangible assets, net | 496,340 | 509,166 |  |
Goodwill, net | 472,516 | 472,516 |  |
Total assets | 1,511,438 | 1,545,428 |  |
Liabilities and Stockholders’ Equity |  |  |  |
Current maturities of long-term debt | 6,188 | 8,253 |  |
Other current liabilities | 79,671 | 84,427 |  |
Accumulated losses of subsidiaries in excess of investment | 269 | 3,619 |  |
Intercompany payable | 993,984 | 972,425 |  |
Long-term debt, net of current maturities | 1,182,180 | 1,224,148 |  |
Other long-term liabilities | 51,414 | 42,292 |  |
Common stock | (27) | (27) |  |
Additional paid-in capital | 248,203 | 248,203 |  |
Retained earnings (deficit) | (1,049,629) | (1,037,860) |  |
Accumulated other comprehensive income (loss), net | (815) | (52) |  |
Total Boyd Gaming Corporation stockholders’ equity | (802,268) | (789,736) |  |
Noncontrolling interest | 0 | 0 |  |
Total stockholders' equity (deficit) | (802,268) | (789,736) |  |
Total liabilities and stockholders’ equity | 1,511,438 | 1,545,428 |  |
Non-Guarantor Subsidiaries (Not 100% Owned) |  |  |  |
Assets |  |  |  |
Other current assets | 0 | 0 |  |
Property and equipment, net | 0 | 0 |  |
Investments in subsidiaries | 0 | 0 |  |
Intercompany receivable | 0 | 0 |  |
Other assets, net | 0 | 0 |  |
Intangible assets, net | 0 | 0 |  |
Goodwill, net | 0 | 0 |  |
Total assets | 219 | 219 |  |
Liabilities and Stockholders’ Equity |  |  |  |
Current maturities of long-term debt | 0 | 0 |  |
Other current liabilities | 0 | 0 |  |
Accumulated losses of subsidiaries in excess of investment | 0 | 0 |  |
Intercompany payable | 467 | 397 |  |
Long-term debt, net of current maturities | 0 | 0 |  |
Other long-term liabilities | 0 | 0 |  |
Common stock | 0 | 0 |  |
Additional paid-in capital | 4,251 | 4,250 |  |
Retained earnings (deficit) | (4,499) | (4,428) |  |
Accumulated other comprehensive income (loss), net | 0 | 0 |  |
Total Boyd Gaming Corporation stockholders’ equity | (248) | (178) |  |
Noncontrolling interest | 0 | 0 |  |
Total stockholders' equity (deficit) | (248) | (178) |  |
Total liabilities and stockholders’ equity | 219 | 219 |  |
Eliminations |  |  |  |
Assets |  |  |  |
Other current assets | (14,333) | (4,617) |  |
Property and equipment, net | 0 | 0 |  |
Investments in subsidiaries | (3,380,228) | (3,273,712) |  |
Intercompany receivable | (1,784,227) | (1,637,101) |  |
Other assets, net | 0 | 0 |  |
Intangible assets, net | 0 | 0 |  |
Goodwill, net | 0 | 0 |  |
Total assets | (5,178,788) | (4,915,430) |  |
Liabilities and Stockholders’ Equity |  |  |  |
Current maturities of long-term debt | 0 | 0 |  |
Other current liabilities | (394) | (238) |  |
Accumulated losses of subsidiaries in excess of investment | (269) | (3,619) |  |
Intercompany payable | (1,797,635) | (1,641,132) |  |
Long-term debt, net of current maturities | 0 | 0 |  |
Other long-term liabilities | 0 | 0 |  |
Common stock | (31,097) | (31,097) |  |
Additional paid-in capital | (2,970,476) | (2,970,294) |  |
Retained earnings (deficit) | (380,597) | (269,204) |  |
Accumulated other comprehensive income (loss), net | 1,630 | 104 |  |
Total Boyd Gaming Corporation stockholders’ equity | (3,380,540) | (3,270,491) |  |
Noncontrolling interest | 50 | 50 |  |
Total stockholders' equity (deficit) | (3,380,490) | (3,270,441) |  |
Total liabilities and stockholders’ equity | $ (5,178,788) | $ (4,915,430) |  |

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