Balance Sheet Details (Schedule Of Balance Sheet Details) (Details) (USD $)	3 Months Ended
	Jan. 28, 2012 years		Jan. 29, 2011	Oct. 29, 2011
Balance Sheet Details [Abstract]
Raw materials	$ 26,584,000			$ 25,535,000
Finished goods	54,415,000			48,637,000
Total inventories	80,999,000			74,172,000
Computer equipment and software	54,417,000			55,175,000
Engineering and other equipment	369,062,000			357,827,000
Furniture and fixtures	29,582,000	[1]		29,195,000	[1]
Leasehold improvements	25,044,000			23,793,000
Land and building	384,666,000	[2]		384,666,000	[2]
Subtotal	862,771,000			850,656,000
Less: Accumulated depreciation and amortization	(334,669,000)	[3]		(318,272,000)	[3]
Total property and equipment	528,102,000			532,384,000
Cost	10,613,000			10,613,000
Accumulated depreciation	(2,510,000)			(2,131,000)
Total furniture and fixtures	8,103,000			8,482,000
Fixed price for land purchase option	26,000,000
Depreciation expense	$ 21,022,000		$ 21,865,000
Option to purchase unimproved parcel, years	4
Number of parcels of land potentially owned if option exercised	4

[1] (1) Furniture and fixtures include the following amounts under leases as of January 28, 2012 and October 29, 2011 (in thousands): January 28,2012 October 29,2011 Cost $ 10,613 $ 10,613 Accumulated depreciation (2,510 ) (2,131 ) Total $ 8,103 $ 8,482

[2] (2) In connection with the purchase of the property located in San Jose, California, the Company obtained a four-year option to purchase a fourth unimproved approximate four acre parcel for a fixed price of approximately $26.0 million as well as a right of first offer to purchase this parcel. The option needed to be exercised no less than six months before the option expiration date on May 22, 2012. The Company elected to not exercise the option and it terminated in November 2011. The Company still has the right of first offer to acquire the parcel.

[3] (3) The following table presents the depreciation and amortization of property and equipment included on the Condensed Consolidated Statements of Income (in thousands): Three Months Ended January 28,2012 January 29,2011 Depreciation expense $ 21,022 $ 21,865