Related Party Transactions - Summary of Rental Payments Related to Leases (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Company Headquarters
Related Party Transaction [Line Items]
Rental payments related to leases	$ 826	$ 1,132	$ 2,478	$ 3,393
Snyder Production Center
Related Party Transaction [Line Items]
Rental payments related to leases	$ 1,112	$ 1,080	$ 3,338	$ 3,241

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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