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Sales by Sales Channel Category (Detail) - USD ($) $ in Thousands	3 Months Ended						4 Months Ended		12 Months Ended
	Jan. 02, 2021	Oct. 03, 2020	Jul. 11, 2020	Dec. 28, 2019	Oct. 05, 2019	Jul. 13, 2019	Apr. 18, 2020	Apr. 20, 2019	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Segment Reporting Information [Line Items]
Sales	$ 1,023,036	$ 989,650	$ 1,025,861	$ 917,759	$ 966,561	$ 975,759	$ 1,349,444	$ 1,263,895	$ 4,387,991	$ 4,123,974	$ 3,951,852
Branded Retail
Segment Reporting Information [Line Items]
Sales									2,912,096	2,478,669	2,346,944
Store Branded Retail
Segment Reporting Information [Line Items]
Sales									609,887	647,056	586,661
Non-Retail and Other
Segment Reporting Information [Line Items]
Sales									$ 866,008	$ 998,249	$ 1,018,247

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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