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Quarterly Results of Operations (unaudited) (Tables) | 12 Months Ended
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Dec. 30, 2018
Quarterly Financial Information Disclosure [Abstract] |
Summary of Unaudited Consolidated Quarterly Financial Information | The following tables summarize the unaudited consolidated quarterly financial information for fiscal years 2018 and 2017 (in thousands, except per share data):
2018 |  | Q1 (16 weeks) |  | Q2 (12 weeks) |  | Q3 (12 weeks) |  | Q4 (12 weeks) |  | 2018 (52 weeks)
Total revenues |  | $ | 421,519 |  |  | $ | 315,388 |  |  | $ | 294,877 |  |  | $ | 306,779 |  |  | $ | 1,338,563 |
Income (loss) from operations |  | $ | 7,019 |  |  | $ | (4,214 | ) |  | $ | 1,805 |  |  | $ | (15,095 | ) |  | $ | (10,485 | )
Net income (loss) |  | $ | 4,380 |  |  | $ | (1,874 | ) |  | $ | 1,709 |  |  | $ | (10,634 | ) |  | $ | (6,419 | )
Basic earnings (loss) per share |  | $ | 0.34 |  |  | $ | (0.14 | ) |  | $ | 0.13 |  |  | $ | (0.82 | ) |  | $ | (0.49 | )
Diluted earnings (loss) per share |  | $ | 0.34 |  |  | $ | (0.14 | ) |  | $ | 0.13 |  |  | $ | (0.82 | ) |  | $ | (0.49 | )
2017 |  | Q1 (16 weeks) |  | Q2 (12 weeks) |  | Q3 (12 weeks) |  | Q4 (13 weeks) |  | 2017 (53 weeks)
Total revenues |  | $ | 420,629 |  |  | $ | 317,310 |  |  | $ | 305,700 |  |  | $ | 343,927 |  |  | $ | 1,387,566 |
Income from operations |  | $ | 17,458 |  |  | $ | 9,366 |  |  | $ | 4,056 |  |  | $ | 8,152 |  |  | $ | 39,032 |
Net income |  | $ | 11,567 |  |  | $ | 6,931 |  |  | $ | 2,714 |  |  | $ | 8,807 |  |  | $ | 30,019 |
Basic earnings per share |  | $ | 0.90 |  |  | $ | 0.54 |  |  | $ | 0.21 |  |  | $ | 0.68 |  |  | $ | 2.33 |
Diluted earnings per share |  | $ | 0.89 |  |  | $ | 0.53 |  |  | $ | 0.21 |  |  | $ | 0.68 |  |  | $ | 2.31 |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109225645&loc=d3e1280-108306 + Details
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