Commitments and contingencies [Line Items]

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- Definition

Number Of Employees Covered By Collective Bargaining Agreements

+ References

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- Definition

Percentage of employees covered under collective bargaining agreements

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- Definition

Term period of collective bargaining agreement.

+ References

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- Definition

Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

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- Definition

Amount of loss contingency liability.

+ References

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Commitments and Contingencies - Narratve (Detail) $ in Millions	12 Months Ended
	Jan. 02, 2021 agreement Employees	Dec. 28, 2019 USD ($)	Dec. 29, 2018 USD ($)
Commitments And Contingencies [Line Items]
Collective bargaining agreements expiration	5 years
Benefit recorded related to settlement \| $		$ 11.6
Workforce Subject to Collective Bargaining Arrangements
Commitments And Contingencies [Line Items]
Number of employees covered under collective bargaining agreements	2,600
Percentage of employees covered under collective bargaining agreements	21.00%
Workforce Subject to Collective Bargaining Agreements Expiring in 2021
Commitments And Contingencies [Line Items]
Number of employees covered under collective bargaining agreements	1,325
Workforce Subject to Collective Bargaining Arrangements Expiring in 2022
Commitments And Contingencies [Line Items]
Number of employees covered under collective bargaining agreements	475
Workforce Subject to Collective Bargaining Arrangements Expiring in 2023
Commitments And Contingencies [Line Items]
Number of employees covered under collective bargaining agreements	800
Workforce Subject to Collective Bargaining Arrangements Expiring in 2024
Commitments And Contingencies [Line Items]
Number of employees covered under collective bargaining agreements \| agreement	0
Workforce Subject to Collective Bargaining Arrangements Expiring in 2025
Commitments And Contingencies [Line Items]
Number of employees covered under collective bargaining agreements \| agreement	0
Judgment In Patent Related Litigation Matter
Commitments And Contingencies [Line Items]
Loss contingency accrual \| $			$ 30.9