Accrued Liabilities (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Oct. 02, 2015	Oct. 31, 2014
Accrued Liabilities Current [Abstract]
Payroll and other compensation	$ 107,132	$ 107,912
Commissions	5,901	5,373
Casualty and medical	14,933	14,881
Interest	6,397	6,999
Warranties	13,365	14,658	$ 16,243
State and other tax accruals	4,737	3,986
Customer deposits	22,302	32,566
Deferred revenue	26,618	19,647
Contract reserves	8,822	13,008
Forward foreign exchange contracts	12,036	20,932
Litigation reserves	4,006	6,657
Environmental reserves	646	646
Rent and future lease obligations	1,925	1,958
Other	9,343	10,511
Total accrued liabilities	$ 238,163	$ 259,734