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Common Stock and Share-Based Compensation (Tables) | 12 Months Ended
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Dec. 28, 2024
Share-Based Payment Arrangement [Abstract] |
Summary of Stock Options under Equity Plan and Non-Employee Director Plan | Information related to stock options under the Equity Plan and the Non-Employee Director Plan is summarized as follows:
|  | Shares |  |  | Weighted- Average Exercise Price |  |  | Weighted- Average Remaining Contractual Term in Years |  |  | Aggregate Intrinsic Value (in thousands) |
Outstanding at December 30, 2023 |  |  | 207,810 |  |  | $ | 361.53 |  |  |  |  |  |  |
Granted |  |  | 25,635 |  |  |  | 299.57 |  |  |  |  |  |  |
Exercised |  |  | (8,164 | ) |  |  | 203.68 |  |  |  |  |  |  |
Cancelled/Forfeited |  |  | (15,487 | ) |  |  | 383.46 |  |  |  |  |  |  |
Expired |  |  | - |  |  |  | - |  |  |  |  |  |  |
Outstanding at December 28, 2024 |  |  | 209,794 |  |  | $ | 358.48 |  |  |  | 4.93 |  |  | $ | 5,913 |
Exercisable at December 28, 2024 |  |  | 126,930 |  |  | $ | 328.56 |  |  |  | 3.91 |  |  | $ | 5,611 |
Vested and expected to vest at December 28, 2024 |  |  | 200,272 |  |  | $ | 360.37 |  |  |  | 4.77 |  |  | $ | 5,865 |
Stock-Based Compensation Expense Included in Operating Expenses | The following table provides information regarding stock-based compensation expense included in operating expenses in the accompanying consolidated statements of comprehensive income:
|  | 2024 |  |  | 2023 |  |  | 2022 |
|  | (in thousands) |
Amounts included in general and administrative expenses |  | $ | 11,835 |  |  | $ | 10,370 |  |  | $ | 8,804 |
Amounts included in advertising, promotional, and selling expenses |  |  | 7,119 |  |  |  | 6,601 |  |  |  | 5,184 |
Total stock-based compensation expense |  | $ | 18,954 |  |  | $ | 16,971 |  |  | $ | 13,988 |
Amounts related to performance-based stock awards included in total stock-based compensation expense |  | $ | 2,720 |  |  | $ | 2,518 |  |  | $ | 1,198 |
Weighted Average Assumptions used to Estimate Fair Value of Stock Options | Weighted average assumptions used to estimate fair values of stock options on the date of grants for fiscal 2024, 2023, and 2022 was as follows:
|  | 2024 |  |  | 2023 |  |  | 2022 |
Expected volatility |  |  | 40.0 | % |  |  | 39.7 | % |  |  | 38.0 | %
Risk-free interest rate |  |  | 4.23 | % |  |  | 3.96 | % |  |  | 2.11 | %
Expected dividends |  |  | 0 | % |  |  | 0 | % |  |  | 0 | %
Exercise factor |  | 2.1 times |  |  | 2.3 times |  |  | 3.0 times |
Discount for post-vesting restrictions |  |  | 0.0 | % |  |  | 0.0 | % |  |  | 0.0 | %
Summary of Vesting Activities of Shares Issued Under Investment Share Program and Restricted Stock Awards | The following table summarizes vesting activities of shares issued under the investment share program and restricted stock awards:
|  | Number of Shares |  |  | Weighted Average Fair Value |
Non-vested at December 30, 2023 |  |  | 114,797 |  |  | $ | 373.56 |
Granted |  |  | 88,266 |  |  |  | 290.71 |
Vested |  |  | (32,823 | ) |  |  | 381.95 |
Forfeited |  |  | (5,689 | ) |  |  | 331.93 |
Non-vested at December 28, 2024 |  |  | 164,551 |  |  | $ | 328.88 |

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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