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Stock Based Awards (Details)
9 Months Ended 12 Months Ended
Dec. 03, 2011
Maximum [Member]
Y
Dec. 04, 2010
Maximum [Member]
Y
Dec. 03, 2011
Minimum [Member]
Y
Dec. 04, 2010
Minimum [Member]
Y
Feb. 25, 2012
Long Term Incentive Plan [Member]
Maximum [Member]
Y
Feb. 25, 2012
Long Term Incentive Plan [Member]
Minimum [Member]
Y
Significant weighted average assumptions relating to the valuation of the Company's stock options            
Dividend yield 2.00% 2.00%     4.60% 4.20%
Volatility rate 50.20% 42.20% 42.80% 38.40% 51.60% 47.00%
Risk-free interest rate 1.80% 2.80% 1.10% 1.80% 1.20% 0.30%
Expected option life 5.4 5.4 4.0 4.0 3.1 2.2