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Commitments and Contingencies - Additional Information (Detail) $ in Millions | 12 Months Ended
--- | ---
Jan. 02, 2021 USD ($) Employer | Dec. 28, 2019 USD ($) | Dec. 29, 2018 USD ($)
Loss Contingencies [Line Items] |  |  |
Rents received from subleases | $ | $ 4.0 | $ 4.0 | $ 3.6
Percentage of associates represent by union covered by CBAs | 7.00% |  |
Critical and declining zone fund status | Less than 65 percent |  |
Number of employers contributing to plan | Employer | 1 |  |
Minimum [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Projected insolvent period based on active to inactive participants ratio | 15 years |  |
Maximum [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Status or critical and declining zone plans | 65.00% |  |
Projected insolvent period based on active to inactive participants ratio | 20 years |  |

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- Definition Indicates whether multiemployer pension plan determined to be individually significant is less than 65 percent funded, between 65 and less than 80 percent funded, or at least 80 percent funded. Acceptable values are "Less than 65 percent", "Between 65 and less than 80 percent", "At least 80 percent", and "NA". + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948 + Details
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- Definition The amount of revenue recognized for the period under subleasing arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121577943&loc=d3e41620-112719 + Details
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