Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Incentive Compensation Plans (Weighted Average Assumptions To Value Employee Stock Options) (Details)

v2.3.0.15
Stock-Based Incentive Compensation Plans (Weighted Average Assumptions To Value Employee Stock Options) (Details)
3 Months Ended 9 Months Ended
Oct. 01, 2011
Sep. 25, 2010
Oct. 01, 2011
Sep. 25, 2010
Stock-Based Incentive Compensation Plans [Abstract]        
Expected volatility 57.86% 57.79% 53.15% 56.89%
Risk-free interest rate 0.58% 1.01% 1.21% 1.43%
Expected dividends 0.00% 0.00% 0.00% 0.00%
Expected life (in years) 3.75 3.71 3.75 3.71