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Stock-Based Compensation (Details 2)
3 Months Ended 6 Months Ended
May 31, 2013
Jun. 01, 2012
May 31, 2013
Jun. 01, 2012
Stock Options [Member]
       
Valuation Assumptions Volatility        
From 27.00% 31.00% 27.00% 31.00%
To 27.00% 31.00% 27.00% 34.00%
Valuation Assumptions Risk Free Interest Rate Range        
From 0.36% 0.71% 0.36% 0.54%
To 0.36% 0.71% 0.36% 0.71%
Employee Stock Purchase Plan [Member]
       
Valuation Assumptions Volatility        
From 0.00% 36.00% 0.00% 36.00%
To 0.00% 36.00% 0.00% 36.00%
Valuation Assumptions Risk Free Interest Rate Range        
From 0.00% 0.06% 0.00% 0.06%
To 0.00% 0.27% 0.00% 0.27%
Minimum [Member] | Stock Options [Member]
       
Valuation Assumptions Expected Life (In Years)        
Expected life (in years) 3 years 2 months 1 day 4 years 2 months 12 days 3 years 2 months 1 day 3 years 10 months 24 days
Minimum [Member] | Employee Stock Purchase Plan [Member]
       
Valuation Assumptions Expected Life (In Years)        
Expected life (in years) 0 years 0 months 0 days 6 months 0 years 0 months 0 days 6 months
Maximum [Member] | Stock Options [Member]
       
Valuation Assumptions Expected Life (In Years)        
Expected life (in years) 3 years 2 months 1 day 4 years 2 months 12 days 3 years 2 months 1 day 4 years 2 months 12 days
Maximum [Member] | Employee Stock Purchase Plan [Member]
       
Valuation Assumptions Expected Life (In Years)        
Expected life (in years) 0 years 0 months 0 days 2 years 0 years 0 months 0 days 2 years