INCENTIVE PLANS AND STOCK-BASED COMPENSATION (Details 1) (Stock Options [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Aug. 27, 2011	Aug. 28, 2010	Aug. 27, 2011 years	Aug. 28, 2010 years
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense	$ 967	$ 603	$ 3,817	$ 3,133
Deferred tax benefits	(356)	(175)	(1,403)	(1,026)
Excess tax benefits (expense) associated with tax deductions over (under) the amount of compensation expense recognized in the consolidated condensed financial statements	297	185	2,338	1,968
Fair value of stock options on date of grant	27	9	5,803	4,161
Total intrinsic value of stock options exercised	885	490	7,443	5,383
Cash received upon exercise of stock options	772	726	6,009	4,150
Tax benefit realized from exercise of stock options, net	297	163	2,332	1,939
Addition to capital in excess of par value due to exercise of stock options	1,033	857	7,027	5,264
Unrecognized compensation cost related to share-based arrangements which the Company expects to recognize	$ 4,650		$ 4,650
Weighted-average period in years, over which the Company expects to recognize compensation cost related to share-based arrangements			2.58
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Weighted average fair value per option at the date of grant for option granted			$ 11.73	$ 8.72
Risk-free interest rate			2.52%	2.76%
Expected dividend yield			0.97%	1.25%
Expected volatility factor			25.54%	26.28%
Expected option term in years			6.4	5.7

Changes in additional paid in capital related to exercise of share-based payments awards (such as stock options) and the amount of recognized equity-based compensation during the period (such as nonvested shares).

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Tax benefit associated with any equity-based compensation plan other than an employee stock ownership plan (ESOP). The tax benefit results from the deduction by the entity on its tax return for an award of stock that exceeds the cumulative compensation cost for common stock or preferred stock recognized for financial reporting. Includes any resulting tax benefit that exceeds the previously recognized deferred tax asset (excess tax benefits).

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements.

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As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

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The weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, using a decimal to express in number of years.

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The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period.

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Equity-based compensation cost during the period with respect to the award, which will be recognized in income (as well as the total recognized tax benefit) or capitalized as part of the cost of an asset.

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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The period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior.

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The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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The risk-free interest rate assumption that is used in valuing an option on its own shares.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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