Summary of Significant Accounting Policies (Details 6) (USD $) In Thousands	Oct. 29, 2011	Oct. 30, 2010
Finite-Lived Intangible Assets [Abstract]
Accumulated Amortization	$ 0	$ 8,681
Intangible Assets (Excluding Goodwill) [Abstract]
Total	12,200	10,024
Technology-based [Member]
Finite-Lived Intangible Assets [Abstract]
Gross Carrying Amount, Finite-Lived Intangible Assets	0	7,166
Accumulated Amortization	0	6,323
Customer Relationships [Member]
Finite-Lived Intangible Assets [Abstract]
Gross Carrying Amount, Finite-Lived Intangible Assets	0	2,858
Accumulated Amortization	0	2,358
In-process research and development [Member]
Intangible Assets (Excluding Goodwill) [Abstract]
Gross Carrying Amount, Indefinite-Lived Intangible Assets	$ 12,200	$ 0

Sum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275

Name:	us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant