Fair value as of the balance sheet date of foreign currency derivative assets, net of foreign currency derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized on the balance sheet.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

Name:	us-gaap_ForeignCurrencyDerivativesAtFairValueNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Fair Value Measurements And Derivatives Instruments (Foreign Currency Forward Contracts) (Details) In Thousands, unless otherwise specified	3 Months Ended
	Feb. 28, 2012	Feb. 28, 2012 USD Denominated Forward Contracts [Member] USD ($)	Feb. 28, 2012 USD Denominated Forward Contracts [Member] Brazilian Real [Member] USD ($)	Feb. 28, 2012 USD Denominated Forward Contracts [Member] Brazilian Real [Member] BRL	Feb. 28, 2012 USD Denominated Forward Contracts [Member] New Taiwan Dollar [Member] USD ($)	Feb. 28, 2012 USD Denominated Forward Contracts [Member] New Taiwan Dollar [Member] TWD	Feb. 28, 2012 EURO Denominated Forward Contracts [Member] USD ($)	Feb. 28, 2012 EURO Denominated Forward Contracts [Member] Australian Dollar [Member] USD ($)	Feb. 28, 2012 EURO Denominated Forward Contracts [Member] Australian Dollar [Member] AUD	Feb. 28, 2012 EURO Denominated Forward Contracts [Member] Australian Dollar [Member] EUR (€)	Feb. 28, 2012 EURO Denominated Forward Contracts [Member] South African Rand [Member] USD ($)	Feb. 28, 2012 EURO Denominated Forward Contracts [Member] South African Rand [Member] EUR (€)	Feb. 28, 2012 EURO Denominated Forward Contracts [Member] South African Rand [Member] ZAR
Fair Value Measurements and Derivative Instruments [Line Items]
Notional Value of Forward contracts sold			$ 980	1,700	$ 1,019	30,000			2,200	€ 1,786		€ 4,610	46,000
Fair Value Gain (Loss)		$ (14)	$ (5)		$ (9)		$ (56)	$ (20)			$ (36)
Number of foreign currencies	25