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Summary of Significant Accounting Policies and Basis of Presentation (Tables) | 12 Months Ended
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Jan. 02, 2021
Accounting Policies [Abstract] |
Property and Equipment Estimated Useful Lives | Depreciation expense on land improvements, buildings and improvements, and equipment is computed using the straight-line method as follows:
Land improvements | 15 years
Buildings and improvements | 15 to 40 years
Equipment | 3 to 15 years
Summary of Changes in the Company's Self-Insurance Liability | A summary of changes in the Company’s self-insurance liability is as follows:
(In thousands) | 2020 |  |  | 2019 |  |  | 2018 |
Balance at beginning of year | $ |  | 16,780 |  |  | $ |  | 14,291 |  |  | $ |  | 15,155 |
Expenses |  |  | 62,999 |  |  |  |  | 69,253 |  |  |  |  | 49,532 |
Acquisitions |  |  | — |  |  |  |  | 1,894 |  |  |  |  | — |
Claim payments, net of employee contributions |  |  | (63,042 | ) |  |  |  | (68,658 | ) |  |  |  | (50,396 | )
Balance at end of year | $ |  | 16,737 |  |  | $ |  | 16,780 |  |  | $ |  | 14,291 |
Schedule of Computation of Basic and Diluted EPS for Continuing Operations | The following table sets forth the computation of basic and diluted EPS for continuing operations:
| 2020 |  |  | 2019 |  |  | 2018 |
(In thousands, except per share amounts) | (53 Weeks) |  |  | (52 Weeks) |  |  | (52 Weeks) |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earnings from continuing operations | $ |  | 75,914 |  |  | $ |  | 5,917 |  |  | $ |  | 33,791 |
Adjustment for earnings attributable to participating securities |  |  | (1,871 | ) |  |  |  | (149 | ) |  |  |  | (746 | )
Earnings from continuing operations used in calculating earnings per share | $ |  | 74,043 |  |  | $ |  | 5,768 |  |  | $ |  | 33,045 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding, including participating securities |  |  | 35,861 |  |  |  |  | 36,271 |  |  |  |  | 36,012 |
Adjustment for participating securities |  |  | (884 | ) |  |  |  | (912 | ) |  |  |  | (795 | )
Shares used in calculating basic earnings per share |  |  | 34,977 |  |  |  |  | 35,359 |  |  |  |  | 35,217 |
Effect of dilutive stock options |  |  | — |  |  |  |  | — |  |  |  |  | 10 |
Effect of dilutive restricted stock awards |  |  | 1 |  |  |  |  | — |  |  |  |  | — |
Effect of dilutive warrants |  |  | — |  |  |  |  | — |  |  |  |  | — |
Shares used in calculating diluted earnings per share |  |  | 34,978 |  |  |  |  | 35,359 |  |  |  |  | 35,227 |
Basic earnings per share from continuing operations | $ |  | 2.12 |  |  | $ |  | 0.16 |  |  | $ |  | 0.94 |
Diluted earnings per share from continuing operations | $ |  | 2.12 |  |  | $ |  | 0.16 |  |  | $ |  | 0.94 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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