Commitments and Contingencies - Summary of Company's Purchases from Manufacturing Cooperatives (Detail) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2021	Mar. 29, 2020
Loss Contingencies [Line Items]
Total purchases from manufacturing cooperatives	$ 68,797	$ 72,862
Southeastern
Loss Contingencies [Line Items]
Total purchases from manufacturing cooperatives	27,544	31,028
SAC
Loss Contingencies [Line Items]
Total purchases from manufacturing cooperatives	$ 41,253	$ 41,834