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Stockholders' Equity (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	0 Months Ended	3 Months Ended						3 Months Ended								3 Months Ended			3 Months Ended
	Jan. 29, 2013	Feb. 28, 2014	Feb. 28, 2013	Feb. 28, 2014 Common Stock	Nov. 30, 2013 Common Stock	Feb. 28, 2013 Common Stock	Nov. 30, 2012 Common Stock	Feb. 28, 2014 Paid-in Capital	Feb. 28, 2013 Paid-in Capital	Feb. 28, 2014 Retained Earnings	Feb. 28, 2013 Retained Earnings	Feb. 28, 2014 Accumulated Other Comprehensive Income	Nov. 30, 2013 Accumulated Other Comprehensive Income	Feb. 28, 2013 Accumulated Other Comprehensive Income	Nov. 30, 2012 Accumulated Other Comprehensive Income	Feb. 28, 2013 Trust for Benefit of Employees [Member]	Feb. 28, 2014 Trust for Benefit of Employees [Member]	Nov. 30, 2013 Trust for Benefit of Employees [Member]	Feb. 28, 2013 Treasury Stock	Feb. 28, 2014 Treasury Stock	Nov. 30, 2013 Treasury Stock
Equity [Abstract]
Treasury Stock Acquired, Average Cost Per Share	$ 18.25
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance		$ 536,086	$ 376,806	$ 115,296	$ 115,296	$ 115,178	$ 115,178	$ 788,893	$ 888,579	$ 481,889	$ 450,292	$ (17,516)	$ (17,516)	$ (27,958)	$ (27,958)	$ (115,149)	$ (113,911)	$ (113,911)	$ (934,136)	$ (718,565)	$ (718,565)
Net income (loss)		10,563	(12,458)							10,563	(12,458)
Dividends on common stock		(2,094)	(2,089)							(2,094)	(2,089)
Stock-based compensation		1,779	1,013					1,779	1,013
Stock Issued During Period, Value, Treasury Stock Reissued			109,811						(106,314)										216,125
Grantor stock ownership trust			52						20							32
Ending balance		$ 546,334	$ 473,135	$ 115,296	$ 115,296	$ 115,178	$ 115,178	$ 790,672	$ 783,298	$ 490,358	$ 435,745	$ (17,516)	$ (17,516)	$ (27,958)	$ (27,958)	$ (115,117)	$ (113,911)	$ (113,911)	$ (718,011)	$ (718,565)	$ (718,565)

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- Definition

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

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

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

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

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