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Inventories - Additional Information (Detail) - USD ($) | 12 Months Ended
--- | ---
Dec. 30, 2017 | Dec. 31, 2016 | Jan. 02, 2016
Geographic Valuation Methodologies Of Inventory [Line Items] |  |  |
Effect of LIFO inventory liquidation on income | $ 0 | $ 0 | $ 0
Foreign and US Countries [Member] |  |  |
Geographic Valuation Methodologies Of Inventory [Line Items] |  |  |
Percentage of FIFO Inventory | 61.00% | 59.00% |
United States [Member] |  |  |
Geographic Valuation Methodologies Of Inventory [Line Items] |  |  |
Percentage of FIFO Inventory | 33.00% |  |
Percentage of LIFO Inventory | 67.00% |  |

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