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Stock-Based Compensation (Performance-Contingent Total Shareholder Return Shares) - Additional Information (Detail) - shares |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 23, 2019 | Oct. 03, 2020 | Dec. 28, 2019
Performance Contingent Total Shareholders Return Shares |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period |  | 3 years |
Shares, Forfeited | 112,840 |  |
Total Shareholders Return |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based payment award, fair value assumptions, method used |  | Inputs into the model included the following for the company and comparator companies: (i) TSR from the beginning of the performance cycle through the measurement date; (ii) volatility; (iii) risk-free interest rates; and (iv) the correlation of the comparator companies’ TSR. The inputs are based on historical capital market data. |
Total Shareholders Return | Fiscal 2019 | 2017 Award |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Percentage of vested shares |  |  | 153.00%
Awards vested during period |  | 0 |

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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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