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
		Aug. 01, 2015	Aug. 02, 2014	Aug. 01, 2015	Aug. 02, 2014
Amortization of Finite-Lived Intangible Assets [Line Items]
Amortization		$ 3,717	$ 683	$ 7,267	$ 17,555
Payments to Acquire Intangible Assets				7,750	0
Cost of revenues
Amortization of Finite-Lived Intangible Assets [Line Items]
Amortization		2,548	552	5,043	7,410
Other Operating Income (Expense)
Amortization of Finite-Lived Intangible Assets [Line Items]
Amortization		889	131	1,654	10,145
General and administrative
Amortization of Finite-Lived Intangible Assets [Line Items]
Amortization	[1]	$ 280	$ 0	$ 570	$ 0

[1] The amortization is related to the $7.8 million of perpetual, non-exclusive license to certain patents purchased during the nine months ended August 1, 2015.