Assets Held for Sale (Detail) - USD ($) $ in Thousands	Apr. 24, 2021	Jan. 02, 2021
Long Lived Assets Held For Sale [Line Items]
Total assets held for sale	$ 5,576	$ 5,641
Distributor Territories
Long Lived Assets Held For Sale [Line Items]
Total assets held for sale	4,694	3,707
Property, Plant and Equipment
Long Lived Assets Held For Sale [Line Items]
Total assets held for sale	$ 882	$ 1,934