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Summary of Significant Accounting Policies and Basis of Presentation (Tables) | 12 Months Ended
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Dec. 29, 2018
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) | 2018 |  |  | 2017 |  |  | 2016 |
Balance at beginning of year | $ |  | 15,155 |  |  | $ |  | 14,730 |  |  | $ |  | 14,466 |
Expenses |  |  | 49,532 |  |  |  |  | 54,748 |  |  |  |  | 49,560 |
Claim payments, net of employee contributions |  |  | (50,396 | ) |  |  |  | (54,323 | ) |  |  |  | (49,296 | )
Balance at end of year | $ |  | 14,291 |  |  | $ |  | 15,155 |  |  | $ |  | 14,730 |
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:
(In thousands, except per share amounts) | 2018 |  |  | 2017 |  |  | 2016 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earnings (loss) from continuing operations | $ |  | 33,791 |  |  | $ |  | (52,617 | ) |  | $ |  | 57,056 |
Adjustment for (earnings) loss attributable to participating securities |  |  | (746 | ) |  |  |  | 908 |  |  |  |  | (1,011 | )
Earnings (loss) from continuing operations used in calculating earnings per share | $ |  | 33,045 |  |  | $ |  | (51,709 | ) |  | $ |  | 56,045 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding, including participating securities |  |  | 36,012 |  |  |  |  | 37,419 |  |  |  |  | 37,483 |
Adjustment for participating securities |  |  | (795 | ) |  |  |  | (646 | ) |  |  |  | (664 | )
Shares used in calculating basic earnings per share |  |  | 35,217 |  |  |  |  | 36,773 |  |  |  |  | 36,819 |
Effect of dilutive stock options |  |  | 10 |  |  |  |  | — |  |  |  |  | 73 |
Shares used in calculating diluted earnings per share |  |  | 35,227 |  |  |  |  | 36,773 |  |  |  |  | 36,892 |
Basic earnings (loss) per share from continuing operations | $ |  | 0.94 |  |  | $ |  | (1.41 | ) |  | $ |  | 1.52 |
Diluted earnings (loss) per share from continuing operations | $ |  | 0.94 |  |  | $ |  | (1.41 | ) |  | $ |  | 1.52 |
Schedule of Adoption of Guidance Using Retrospective Method Resulted in Decreased Net Sales and Cost of Sales | The adoption of the guidance using the full retrospective method resulted in decreases to fiscal 2017 and 2016 net sales and cost of sales previously reported as shown in the following table:
| Full Year |  |  | 4th Quarter |  |  | 3rd Quarter |  |  | 2nd Quarter |  |  | 1st Quarter |
(In thousands) | (52 Weeks) |  |  | (12 Weeks) |  |  | (12 Weeks) |  |  | (12 Weeks) |  |  | (16 Weeks) |
2017 | $ |  | 164,283 |  |  | $ |  | 38,725 |  |  | $ |  | 38,246 |  |  | $ |  | 38,510 |  |  | $ |  | 48,802 |
2016 | $ |  | 173,516 |  |  | $ |  | 43,168 |  |  | $ |  | 42,382 |  |  | $ |  | 38,594 |  |  | $ |  | 49,372 |

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