Fair Value Measurements (Derivatives) (Details)	9 Months Ended	12 Months Ended
Aug. 28, 2011 USD ($)	Nov. 30, 2010 USD ($)	Aug. 28, 2011 Forward Contracts [Member] contracts	Nov. 30, 2010 Forward Contracts [Member] contracts	Aug. 28, 2011 Foreign Currency Forward Contract U S to Singapore Dollars [Member] USD ($) contracts	Nov. 30, 2010 Foreign Currency Forward Contract U S to Singapore Dollars [Member] USD ($) contracts	Aug. 28, 2011 Foreign Currency Forward Contract Singapore Dollars to Malaysian Ringgit [Member] SGD contracts	Nov. 30, 2010 Foreign Currency Forward Contract Singapore Dollars to Malaysian Ringgit [Member] SGD contracts	Nov. 30, 2010 Foreign Currency Forward Contract U S Dollars to Euros [Member] USD ($) contracts
Derivative [Line Items]
Number of foreign currency derivatives held			3	4	2	2	1	1	1
Notional amount of foreign currency derivatives					$ 29,800,000	$ 11,000,000	1,210,000	1,250,000	$ 388,000
Fair value loss on derivatives	$ 6,000	$ 16,000

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Decrease in the fair value of the derivative or group of derivatives included in earnings in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5618551-113959

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- Definition

Aggregate notional amount of foreign currency exchange rate derivatives. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Notional Amount
-URI http://asc.fasb.org/extlink&oid=6519104

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- Definition

Number of foreign currency exchange rate derivatives held by the entity at the reporting date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5580258-113959

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5579245-113959

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