Note 15 - Capital Stock and Stock Compensation (Detail) - Changes in the outstanding options (USD $)	12 Months Ended
Nov. 24, 2012
Number of shares	1,075,464
Weighted average exercise price per share (in Dollars per share)	$ 13.95
Exercisable at November 24, 2012	630,850
Exercisable at November 24, 2012 (in Dollars per share)	$ 16.66
Exercised	(87,400)
Exercised (in Dollars per share)	$ 6.59
Forfeited/Expired	(202,964)
Forfeited/Expired (in Dollars per share)	$ 14.79
Number of shares	785,100
Weighted average exercise price per share (in Dollars per share)	$ 14.55

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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No definition available.

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Number of share options (or share units) exercised during the current period.

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