Quarterly report pursuant to Section 13 or 15(d)

Inventories, Net - Summary of Inventories, Net of Allowance for Obsolescence (Detail)

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Inventories, Net - Summary of Inventories, Net of Allowance for Obsolescence (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 28, 2015
Sep. 27, 2014
Mar. 29, 2014
Inventory, Net [Abstract]      
Raw materials $ 99,490us-gaap_InventoryRawMaterialsNetOfReserves $ 93,678us-gaap_InventoryRawMaterialsNetOfReserves $ 101,783us-gaap_InventoryRawMaterialsNetOfReserves
Work in progress 15,601us-gaap_InventoryWorkInProcessNetOfReserves 13,397us-gaap_InventoryWorkInProcessNetOfReserves 16,267us-gaap_InventoryWorkInProcessNetOfReserves
Finished goods 252,104us-gaap_InventoryFinishedGoodsNetOfReserves 207,818us-gaap_InventoryFinishedGoodsNetOfReserves 269,870us-gaap_InventoryFinishedGoodsNetOfReserves
Supplies 15,133us-gaap_InventorySuppliesNetOfReserves 11,493us-gaap_InventorySuppliesNetOfReserves 14,800us-gaap_InventorySuppliesNetOfReserves
Total inventories, net $ 382,328us-gaap_InventoryNet $ 326,386us-gaap_InventoryNet $ 402,720us-gaap_InventoryNet