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Stock-Based Compensation (Tables)

3 Months Ended

Feb. 29, 2012

Stock-Based Compensation [Abstract]

Stock options outstanding and stock options exercisable

		Options				Weighted Average Exercise Price
Options outstanding at beginning of period			10,160,396			$	21.27
Granted			15,000				9.70
Exercised			—				—
Cancelled			(6,000	)			16.83
Options outstanding at end of period			10,169,396				21.26
Options exercisable at end of period			7,241,732				26.27

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- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

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

-Topic 718

-SubTopic 10

-Publisher FASB

-Number

-Article

-Subparagraph (c)(1)

-Name Accounting Standards Codification

-Paragraph 2

-Section 50

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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