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Assets Held for Sale (Detail) - USD ($) $ in Thousands | Apr. 20, 2019 | Dec. 29, 2018
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Long Lived Assets Held For Sale [Line Items] |  |
Total assets held for sale | $ 6,743 | $ 6,606
Distributor Territories |  |
Long Lived Assets Held For Sale [Line Items] |  |
Total assets held for sale | 3,334 | 3,188
Property, Plant and Equipment |  |
Long Lived Assets Held For Sale [Line Items] |  |
Total assets held for sale | $ 3,409 | $ 3,418

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