Inventories (Details) - USD ($) $ in Thousands	Sep. 29, 2018	Dec. 31, 2017
Inventory Disclosure [Abstract]
Finished goods	$ 1,538,122	$ 1,326,038
Work in process	166,726	159,921
Raw materials	509,447	462,704
Total inventories	$ 2,214,295	$ 1,948,663

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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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