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Basis of Presentation and Principles of Consolidation - Narrative (Details)
6 Months Ended
Jul. 04, 2021
USD ($)
shares
Jul. 04, 2021
USD ($)
segment
shares
Apr. 04, 2021
shares
Jan. 03, 2021
shares
Jun. 28, 2020
shares
Mar. 29, 2020
shares
Dec. 29, 2019
shares
Lessee, Lease, Description [Line Items]              
Minimum lease payment $ 111,659,000 $ 111,659,000          
Number of operating segments | segment   1          
Class B Units              
Lessee, Lease, Description [Line Items]              
Preferred units rate of return   8.00%          
Units outstanding (in shares) | shares 0 0 18,000,000 18,000,000 18,000,000 18,000,000 18,000,000
CNF Lease [Member]              
Lessee, Lease, Description [Line Items]              
Lease term 23 years 23 years          
Lease payment per year   $ 1.00          
Payment for lease termination   $ 15,000,000          
CNF Lease [Member] | Minimum              
Lessee, Lease, Description [Line Items]              
Lease term 18 months 18 months          
Minimum lease payment $ 23.00 $ 23.00          
Restricted Stock Units And Stock Options              
Lessee, Lease, Description [Line Items]              
Units excluded from computation (in shares) | shares 3,966,000            
Units outstanding (in shares) | shares         0