Goodwill And Intangible Assets (Schedule Of Amortization Of Intangible Assets Included On Consolidated Statements Of Operations) (Details) - USD ($) $ in Thousands		12 Months Ended
		Oct. 31, 2015	Nov. 01, 2014	Oct. 26, 2013
Finite-Lived Intangible Assets
Amortization		$ 11,045	$ 18,290	$ 93,987
Payments to Acquire Intangible Assets		7,750	0	0
Cost of revenues
Finite-Lived Intangible Assets
Amortization		7,640	8,010	39,731
General and administrative
Finite-Lived Intangible Assets
Amortization	[1]	849	0	0
Other Operating Income (Expense) [Member]
Finite-Lived Intangible Assets
Amortization		$ 2,556	$ 10,280	$ 54,256

[1] The amortization is related to the $7.8 million of perpetual, nonexclusive license to certain patents purchased during the fiscal year ended October 31, 2015.