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Discontinued Operations - Quarterly Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 15, 2018 | Apr. 16, 2017 | Apr. 15, 2018 | Apr. 16, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Basic (in usd per share) | $ 0.78 | $ 0.06 | $ 0.75 | $ 0.10
Diluted (in usd per share) | $ 0.77 | $ 0.05 | $ 0.74 | $ 0.10
Qdoba |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Company restaurant sales | $ 66,850 | $ 98,793 | $ 192,620 | $ 227,492
Franchise revenues | 3,351 | 4,711 | 9,337 | 10,764
Company restaurant costs (excluding depreciation and amortization) | (57,504) | (80,713) | (166,122) | (186,429)
Franchise costs (excluding depreciation and amortization) | (930) | (910) | (2,338) | (2,083)
Selling, general and administrative expenses | (5,848) | (7,956) | (18,112) | (20,385)
Depreciation and amortization expenses | 0 | (5,057) | (5,012) | (11,752)
Impairment and other charges, net | (594) | (3,811) | (2,263) | (7,715)
Interest expense, net | (1,575) | (2,044) | (4,787) | (4,559)
Operating earnings from discontinued operations before income taxes | 3,750 | 3,013 | 3,323 | 5,333
Gain on Qdoba Sale | 35,729 | 0 | 35,729 | 0
Earnings from discontinued operations before income taxes | 39,479 | 3,013 | 39,052 | 5,333
Income taxes | (16,819) | (1,181) | (17,024) | (2,057)
Earnings from discontinued operations, net of income taxes | $ 22,660 | $ 1,832 | $ 22,028 | $ 3,276
Basic (in usd per share) | $ 0.78 | $ 0.06 | $ 0.75 | $ 0.10
Diluted (in usd per share) | $ 0.77 | $ 0.06 | $ 0.74 | $ 0.10
Term Loan [Member] |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Repayments of Debt |  |  | $ 260,000 |
Term Loan [Member] | Qdoba |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Repayments of Debt |  |  | $ 260,000 |

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