This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".

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- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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

Value of stock related to Restricted Stock Awards issued during the period, net of the stock value of such awards forfeited.

+ References

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- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

+ References

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- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

+ References

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Stockholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Stockholders' Equity (Details) - USD ($) $ in Thousands	May 31, 2016	May 31, 2015	May 31, 2016	May 31, 2015
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance			$ 1,690,834
Net income	$ 15,597	$ 9,573	28,724	$ 17,372
Dividends on common stock			(4,364)
Performance share-based stock issuance			0
Stock-based compensation			7,506
Stock repurchases			(87,531)
Ending balance	1,635,169		1,635,169
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance			115,548
Performance share-based stock issuance			124
Ending balance	115,672		115,672
Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance			682,871
Performance share-based stock issuance			(4,189)
Stock-based compensation			7,506
Ending balance	686,188		686,188
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance			1,466,713
Net income			28,724
Dividends on common stock			(4,364)
Ending balance	1,491,073		1,491,073
Accumulated Other Comprehensive Income
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance			(17,319)
Ending balance	(17,319)		(17,319)
Trust for Benefit of Employees [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance			(109,936)
Performance share-based stock issuance			4,065
Ending balance	(105,871)		(105,871)
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance			(447,043)
Stock repurchases			(87,531)
Ending balance	$ (534,574)		$ (534,574)