Inventories (Details) - USD ($) $ in Thousands	Mar. 30, 2019	Dec. 31, 2018
Inventory Disclosure [Abstract]
Finished goods	$ 1,625,685	$ 1,582,112
Work in process	166,753	165,616
Raw materials	545,687	539,887
Total inventories	$ 2,338,125	$ 2,287,615

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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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