Balance Sheet Information - Summary of Inventories (Detail) - USD ($) $ in Thousands	Sep. 28, 2018	Dec. 29, 2017
Inventory Disclosure [Abstract]
Raw materials	$ 146,912	$ 183,457
Work in process	32,563	43,826
Finished goods	19,103	9,557
Total	$ 198,578	$ 236,840

No definition available.

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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