Inventories (Detail) - USD ($) $ in Thousands	Oct. 02, 2015	Oct. 31, 2014
Inventory Disclosure [Abstract]
Raw materials and purchased parts	$ 169,153	$ 165,839
Work in progress	162,434	160,884
Inventory costs under long-term contracts	18,753	17,470
Finished goods	96,428	89,402
Total Inventories	$ 446,768	$ 433,595