Inventories - Summary of Inventories (Detail) - USD ($) $ in Thousands	Jul. 01, 2018	Dec. 31, 2017
Inventory Disclosure [Abstract]
Finished products	$ 148,456	$ 116,354
Manufacturing materials	33,737	33,073
Plastic shells, plastic pallets and other inventories	39,880	34,191
Total inventories	$ 222,073	$ 183,618

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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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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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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

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