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Inventories - Components of Inventories (Detail) - USD ($)
$ in Thousands
Sep. 28, 2017
Jun. 29, 2017
Sep. 29, 2016
Inventory Disclosure [Abstract]      
Raw material and supplies $ 50,086 $ 79,609 $ 51,563
Work-in-process and finished goods 115,812 102,811 95,633
Total $ 165,898 $ 182,420 $ 147,196