Fair Value of Plan Assets of Defined Benefit Pension and Post-Retirement Plans (Detail) - USD ($) $ in Thousands	11 Months Ended	12 Months Ended
	Oct. 02, 2015	Sep. 30, 2016	Oct. 31, 2014
Defined Benefit Plan Disclosure [Line Items]
Beginning balance		$ 389,461
Company contribution expense	$ 9,500	10,700	$ 10,300
Ending balance	389,461	425,781
Pension Plan | Benefit Obligation
Defined Benefit Plan Disclosure [Line Items]
Plan participants contributions	256	376
Other adjustments	(1,096)	(859)
Benefits paid	(38,390)	(22,862)
Pension Plan | Plan Assets - Fair Value
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	427,474	389,461
Currency translation adjustment	(19,977)	341
Realized and unrealized gain (loss) on plan assets	2,021	45,817
Plan participants contributions	256	376
Company contribution expense	9,185	12,041
Acquisitions	9,988	0
Other adjustments	0	1,466
Expenses paid	(1,096)	(859)
Benefits paid	(38,390)	(22,862)
Ending balance	389,461	425,781	427,474
Pension Plan | Funded Status
Defined Benefit Plan Disclosure [Line Items]
Beginning balance		389,461
Ending balance	389,461	425,781
Other Postretirement Benefit Plan | Benefit Obligation
Defined Benefit Plan Disclosure [Line Items]
Plan participants contributions	0	0
Other adjustments	0	0
Benefits paid	(443)	(530)
Other Postretirement Benefit Plan | Plan Assets - Fair Value
Defined Benefit Plan Disclosure [Line Items]
Beginning balance	0	0
Currency translation adjustment	0	0
Realized and unrealized gain (loss) on plan assets	0	0
Plan participants contributions	0	0
Company contribution expense	443	530
Acquisitions	0	0
Other adjustments	0	0
Expenses paid	0	0
Benefits paid	(443)	(530)
Ending balance	0	0	$ 0
Other Postretirement Benefit Plan | Funded Status
Defined Benefit Plan Disclosure [Line Items]
Beginning balance		0
Ending balance	$ 0	$ 0