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Revenue - Additional Information (Detail) | 4 Months Ended |
--- | --- | ---
Apr. 21, 2018 USD ($) Commissary | Dec. 30, 2017 USD ($)
Disaggregation Of Revenue [Line Items] |  |
Revenue recognition performance obligation on international shipments | $ 0 |
Revenue recognition performance obligation | $ 0 |
Revenue, performance obligation, description of good or service | The Company does not receive pre-payment from its customers, or enter into commitments to provide goods or services that have terms greater than one year |
Revenue recognition payment terms | 30 days |
Contract assets | $ 0 | $ 0
Minimum [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Revenue recognition contract terms | 1 year |
Maximum [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Revenue performance obligation contract expected term | 1 year |
Expected amortization period of asset | 1 year |
Manufacturers/brokers supplying DeCA [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Number of commissaries | Commissary | 237 |

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