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Fair Value Measurements - Additional Information (Detail) - Caito Foods Service and Blue Ribbon Transport [Member] - USD ($) $ in Millions | Dec. 30, 2017 | Jan. 06, 2017
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Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Fair value of contingent consideration, receivable | $ 18.4 |
Fair value of contingent consideration, payable | 3.4 | $ 27.4
Other Assets, Net [Member] |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Fair value of contingent consideration, net receivable | $ 15.0 |

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