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Consolidated Balance Sheets (Parenthetical) (USD $)	Nov. 30, 2014	Nov. 30, 2013
Statement of Financial Position [Abstract]
Preferred stock, par value, in dollars	$ 1.00us-gaap_PreferredStockParOrStatedValuePerShare	$ 1.00us-gaap_PreferredStockParOrStatedValuePerShare
Preferred stock, shares authorized	10,000,000us-gaap_PreferredStockSharesAuthorized	10,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued	0us-gaap_PreferredStockSharesIssued	0us-gaap_PreferredStockSharesIssued
Common stock, par value, in dollars	$ 1.00us-gaap_CommonStockParOrStatedValuePerShare	$ 1.00us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized	290,000,000us-gaap_CommonStockSharesAuthorized	290,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	115,386,512us-gaap_CommonStockSharesIssued	115,296,395us-gaap_CommonStockSharesIssued
Grantor stock ownership trust	10,335,461us-gaap_CommonStockSharesHeldInEmployeeTrustShares	10,501,844us-gaap_CommonStockSharesHeldInEmployeeTrustShares
Treasury Stock, Shares	13,097,140us-gaap_TreasuryStockShares	21,050,023us-gaap_TreasuryStockShares

X

- Definition

Face amount or stated value per share of common stock.

+ References

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-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.5-02.29)



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X

- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



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- Definition

Number of common stock held in a trust that has been set up specifically to accumulate stock for the sole purpose of distribution to participating employees but not yet earned.

+ References

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-Publisher FASB



-Name Accounting Standards Codification



-Topic 718



-SubTopic 40



-Section 25



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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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+ References

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



-Publisher FASB



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Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

+ References

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



-Publisher FASB



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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

+ References

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