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.

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- Definition

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

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- Definition

An excess of the fair value of the modified award over the fair value of the award immediately before the modification.

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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.

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- Definition

Aggregate change in value for stock issued during the period as a result of employee stock purchase plan.

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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.

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Value of stock issued as a result of the exercise of stock options.

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- Definition

Equity impact of the value of treasury stock (units) reissued during the period, excluding reissuance of shares (units) held in treasury used to satisfy equity-based compensation obligations exercised by the holders of such rights. Upon reissuance of shares (units) from treasury, either the common or preferred stock (unit) reissued is outstanding.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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

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Stockholders' Equity (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	0 Months Ended		3 Months Ended		9 Months Ended												9 Months Ended			9 Months Ended
	Mar. 25, 2014	Jan. 29, 2013	Aug. 31, 2014	Aug. 31, 2013	Aug. 31, 2014	Aug. 31, 2013	Aug. 31, 2014 Common Stock	Aug. 31, 2013 Common Stock	Aug. 31, 2014 Paid-in Capital	Aug. 31, 2013 Paid-in Capital	Aug. 31, 2014 Retained Earnings	Aug. 31, 2013 Retained Earnings	Aug. 31, 2014 Accumulated Other Comprehensive Income	Nov. 30, 2013 Accumulated Other Comprehensive Income	Aug. 31, 2013 Accumulated Other Comprehensive Income	Nov. 30, 2012 Accumulated Other Comprehensive Income	Aug. 31, 2013 Trust for Benefit of Employees [Member]	Aug. 31, 2014 Trust for Benefit of Employees [Member]	Nov. 30, 2013 Trust for Benefit of Employees [Member]	Aug. 31, 2014 Treasury Stock	Aug. 31, 2013 Treasury Stock
Equity [Abstract]
Treasury Stock Acquired, Average Cost Per Share	$ 18.00	$ 18.25
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance					$ 536,086	$ 376,806	$ 115,296	$ 115,178	$ 788,893	$ 888,579	$ 481,889	$ 450,292	$ (17,516)	$ (17,516)	$ (27,958)	$ (27,958)	$ (115,149)	$ (113,911)	$ (113,911)	$ (718,565)	$ (934,136)
Net income (loss)			28,361	27,278	65,548	11,847					65,548	11,847
Dividends on common stock					(6,682)	(6,272)					(6,682)	(6,272)
Stock Issued During Period, Value, Stock Options Exercised					202	1,558	25	115	177	1,443
Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Incremental Compensation Cost					6,455	8,346			6,455	412											7,934
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures					0	0	54		(54)	(325)							325
Stock-based compensation					5,959	3,596			5,959	3,596
Stock Issued During Period, Value, Treasury Stock Reissued					137,045	109,503			(135,590)	(106,622)										272,635	216,125
Grantor stock ownership trust						589				305							284
Ending balance			744,567	498,006	744,567	498,006	115,375	115,293	665,840	787,388	540,755	455,867	(17,516)	(17,516)	(27,958)	(27,958)	(114,540)	(113,911)	(113,911)	(445,976)	(718,044)
Treasury Stock, Value, Acquired, Cost Method					$ (46)	$ (7,967)														$ (46)	$ (7,967)