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Stock-Based Compensation (Details)
12 Months Ended
Dec. 02, 2011
years
Dec. 03, 2010
years
Nov. 27, 2009
years
Option Grants [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected dividend yield 0.00% 0.00% 0.00%
Valuation Assumptions Expected Life (In Years)      
From 3.8 3.8 3.0
To 4.2 5.1 4.1
Valuation Assumptions Volatility [Abstract]      
From 30.00% 29.00% 34.00%
To 41.00% 36.00% 57.00%
Valuation Assumptions Risk Free Interest Rate Range [Abstract]      
From 0.64% 1.04% 1.16%
To 1.92% 2.66% 2.24%
Employee Stock Purchase Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected dividend yield 0.00% 0.00% 0.00%
Valuation Assumptions Expected Life (In Years)      
From 0.5 0.5 0.5
To 2.0 2.0 2.0
Valuation Assumptions Volatility [Abstract]      
From 30.00% 32.00% 40.00%
To 34.00% 40.00% 57.00%
Valuation Assumptions Risk Free Interest Rate Range [Abstract]      
From 0.10% 0.18% 0.27%
To 0.61% 1.09% 1.05%