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Fair Value Measurements - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jul. 16, 2016 | Jul. 15, 2017 | Jul. 16, 2016 | Jan. 06, 2017
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |
Impairment charges | $ 3,483 | $ 521 | $ 3,483 |
Caito Foods Service and Blue Ribbon Transport [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |
Fair value of contingent consideration, receivable |  | 18,400 |  |
Fair value of contingent consideration, payable |  | 3,400 |  | $ 27,400
Caito Foods Service and Blue Ribbon Transport [Member] | Other Assets, Net [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |
Fair value of contingent consideration, net receivable |  | 15,000 |  |
Fair Value Measurements Nonrecurring [Member] | Significant unobservable inputs (Level 3) [Member] |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |
Long-lived assets |  | 900 |  |
Long-lived assets measured fair value on nonrecurring basis |  | 400 |  |
Impairment charges |  | $ 500 |  |

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