Guarantees And Contractual Obligations (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Oct. 26, 2012	Oct. 28, 2011	Oct. 29, 2010
Guarantees And Contractual Obligations [Abstract]
Balance	$ 73,679	$ 74,907	$ 70,503
Amount acquired through acquisitions			1,913
Additional net deferred revenue/accrual made during the period	17,596	12,381	11,680
Payments made during the period	(11,003)	(13,609)	(9,189)
Balance	$ 80,272	$ 73,679	$ 74,907

Liability for a standard product warranty acquired in a business acquisition. Does not include any liability for an extended warranty acquired in a business acquisition.

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

-Publisher FASB

-Name FASB Interpretation (FIN)

-Number 45

-Paragraph 14

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 460

-SubTopic 10

-Section 50

-Paragraph 8

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249

Name:	us-gaap_StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration