Goodwill And Intangible Assets (Schedule Of Amortization Of Intangible Assets Included On Consolidated Statements Of Operations) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Jul. 30, 2016	Aug. 01, 2015	Jul. 30, 2016	Aug. 01, 2015
Amortization of Finite-Lived Intangible Assets [Line Items]
Amortization		$ 14,691	$ 3,718	$ 23,392	$ 7,267
Payments to Acquire Intangible Assets				0	7,750
Cost of revenues
Amortization of Finite-Lived Intangible Assets [Line Items]
Amortization		8,922	2,549	15,269	5,043
Other Operating Income (Expense)
Amortization of Finite-Lived Intangible Assets [Line Items]
Amortization		5,498	280	7,302	570
General and administrative
Amortization of Finite-Lived Intangible Assets [Line Items]
Amortization	[1]	$ 271	$ 889	$ 821	$ 1,654

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