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Inventories - Components of Inventories (Detail) - USD ($)
$ in Thousands
Dec. 27, 2018
Jun. 28, 2018
Dec. 28, 2017
Inventory Disclosure [Abstract]      
Raw material and supplies $ 87,717 $ 73,209 $ 80,867
Work-in-process and finished goods 83,991 101,153 87,557
Total $ 171,708 $ 174,362 $ 168,424