Reconciliation of U.S. Federal Statutory Income Tax Rate to Effective Income Tax Rate (Detail)	11 Months Ended	12 Months Ended
	Oct. 02, 2015	Oct. 31, 2014	Oct. 25, 2013
Income Tax Disclosure [Abstract]
U.S. statutory income tax rate	35.00%	35.00%	35.00%
Foreign taxes	(10.70%)	(7.60%)	(8.20%)
Difference in foreign tax rates	(5.20%)	(4.40%)	(3.80%)
Research & development credits	(5.10%)	(2.50%)	(4.30%)
Non-deductible under consent agreement	2.20%	0.40%	1.70%
Domestic manufacturing deduction	(0.70%)	(1.30%)	(1.30%)
Net change in tax reserves	(0.20%)	0.10%	(3.00%)
State income taxes	0.20%	0.50%	0.60%
Change in foreign tax rates and laws	0.00%	0.00%	(1.50%)
Goodwill impairment	0.00%	0.00%	0.40%
Other, net	0.80%	0.70%	0.60%
Effective income tax rate	16.30%	20.90%	16.20%