Commitments and Contingencies - Summary of Company's Purchases from Manufacturing Cooperatives (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Loss Contingencies [Line Items]
Total purchases from manufacturing cooperatives	$ 292,517	$ 280,935	$ 257,039
Southeastern [Member]
Loss Contingencies [Line Items]
Total purchases from manufacturing cooperatives	132,328	125,352	108,528
SAC [Member]
Loss Contingencies [Line Items]
Total purchases from manufacturing cooperatives	$ 160,189	$ 155,583	$ 148,511