Income Taxes (Income Before Provision For Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Nov. 30, 2012	Nov. 30, 2011	Nov. 30, 2010
Income Tax Disclosure [Abstract]
United States	$ 33,056	$ 51,159	$ 84,671
International	122,258	98,776	26,201
Income before provision for income taxes	$ 155,314	$ 149,935	$ 110,872

The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(h)(1)(i))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph h

-Subparagraph 1(i)

-Article 4

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- Definition

The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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- Definition

Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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