Note 14 - Post-Employment Benefit Obligations (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Nov. 24, 2012	Nov. 26, 2011	Nov. 27, 2010
Percent of Final Average Compensation Provided by Supplemental Retirement Income Plan	65.00%
Death Benefit Payment Term	120 months
Current Net Death Benefit	$ 4,244
Pension Expense	312	332	376
Postemployment Benefits Liability, Noncurrent	11,577	11,226
Deferred Compensation Arrangement with Individual Employer Contribution Percentage	10.00%
Deferred Compensation Arrangement with Individual Employer Contribution Percentage of Eligible Salary	8.00%
Defined Contribution Plan, Cost Recognized	175
Payment over 120 Months [Member]
Death Benefit Percent of Final Average Annual Compensation	50.00%
A Single Payment [Member]
Death Benefit Percent of Final Average Annual Compensation	200.00%
Unfunded Deferred Compensation Plan [Member]
Postemployment Benefits Liability, Noncurrent	$ 2,615	$ 2,766

The amount of pension benefit costs recognized during the period for (1) defined benefit plans and (2) defined contribution plans. For defined benefit plans, pension expense includes the following components: service cost, interest cost, expected return on plan assets, gain (loss) on plan assets, prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. For defined contribution plans, the pension expense generally equals the firm's contribution to employees' accounts (if the firm contributes) during the period.

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For a classified balance sheet, the carrying amount as of the balance sheet date of the portion of the obligations recognized for the various benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement that is payable after one year (or beyond the operating cycle if longer).

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