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Performance-Contingent Restricted Stock Awards (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 01, 2022 | Jan. 02, 2021 | Dec. 28, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Dividends at vesting | $ 234 | $ 109 | $ 1,361
Fiscal Year Vested 2019 | 2017 Award Granted |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Dividends at vesting | 1,219 |  |
Income tax benefit/(expense) related to share-based payments | 936 |  |
Fair value at vesting | $ 18,570 |  |
Total Shareholders Return | Fiscal Year Vested 2019 | 2017 Award Granted |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares increase/(decrease) | 205,686 |  |
Return On Invested Capital | Fiscal Year Vested 2019 | 2017 Award Granted |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares increase/(decrease) | (97,131) |  |

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- Definition The net total number of shares (or other type of equity) under an equity-based award plan, other than a stock option plan, that were granted, vested and forfeited 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) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. + 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 (d)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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