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Note 13 - Post-Employment Benefit Obligations (Details) - Assumptions Used To Determine Net Periodic Pension Cost
12 Months Ended
Nov. 30, 2013
Nov. 24, 2012
Nov. 26, 2011
Assumptions used to determine net periodic pension cost:      
Discount rate 3.75% 4.25% 5.00%
Increase in future compensation levels 3.00% 3.00% 3.00%