Quarterly report pursuant to Section 13 or 15(d)

Inventories, net - Summary of Inventories, Net of Allowance for Obsolescence (Details)

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Inventories, net - Summary of Inventories, Net of Allowance for Obsolescence (Details) - USD ($)
$ in Thousands
Dec. 24, 2016
Sep. 24, 2016
Dec. 26, 2015
Inventory Disclosure [Abstract]      
Raw materials $ 125,324 $ 120,786 $ 118,827
Work in progress 21,024 17,378 15,086
Finished goods 273,730 217,788 271,134
Supplies 10,093 6,052 11,411
Total inventories, net $ 430,171 $ 362,004 $ 416,458