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Related Party - Additional Information (Detail) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018	Dec. 29, 2018
Ms. Winfrey and her related entities
Related Party Transaction [Line Items]
Related Party Transaction, service provided by related party	$ 1,283	$ 1,299
Ms. Winfrey
Related Party Transaction [Line Items]
Accounts payable to related parties	$ 58		$ 62
Number of shares purchased from related party	954
Stock options exercised	1,405

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Amount for accounts payable to related parties.

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Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party.

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