Goodwill And Intangible Assets (Schedule Of Amortization Of Intangible Assets Included On Consolidated Statements Of Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	May 02, 2015		May 03, 2014		May 02, 2015		May 03, 2014
Amortization of Finite-Lived Intangible Assets [Line Items]
Amortization	$ 2,775		$ 527		$ 3,550		$ 16,872
Payments to Acquire Intangible Assets					7,750		0
Cost of revenues
Amortization of Finite-Lived Intangible Assets [Line Items]
Amortization	1,857		396		2,494		6,858
Research and development
Amortization of Finite-Lived Intangible Assets [Line Items]
Amortization	627		131		765		10,014
General and administrative
Amortization of Finite-Lived Intangible Assets [Line Items]
Amortization	$ 291	[1]	$ 0	[1]	$ 291	[1]	$ 0	[1]

[1] The amortization is related to the $7.8 million of perpetual, non-exclusive license to certain patents purchased during the six months ended May 2, 2015.