Goodwill And Intangible Assets (Schedule Of Amortization Of Intangible Assets Included On Consolidated Statements Of Operations) (Details) - USD ($) $ in Thousands		3 Months Ended
		Jan. 30, 2016	Jan. 31, 2015
Amortization of Finite-Lived Intangible Assets [Line Items]
Amortization		$ 4,333	$ 775
Payments to Acquire Intangible Assets		0	7,750
Cost of revenues
Amortization of Finite-Lived Intangible Assets [Line Items]
Amortization		3,154	637
Other Operating Income (Expense)
Amortization of Finite-Lived Intangible Assets [Line Items]
Amortization		902	138
General and administrative
Amortization of Finite-Lived Intangible Assets [Line Items]
Amortization	[1]	$ 277	$ 0

[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.