Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

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Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Oct. 01, 2016
Inventory Disclosure [Abstract]      
Finished products $ 1,717,516 $ 1,278,504 $ 1,706,612
Work-in-process 106,120 97,725 96,727
Raw materials 85,927 95,071 94,207
Total inventories $ 1,909,563 $ 1,471,300 $ 1,897,546