Quarterly report pursuant to Section 13 or 15(d)

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

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Stock-Based Incentive Compensation Plans (Weighted Average Assumptions To Value Employee Stock Option) (Details)
3 Months Ended 6 Months Ended
Jul. 02, 2011
Jun. 26, 2010
Jul. 02, 2011
Jun. 26, 2010
Stock-Based Incentive Compensation Plans        
Expected volatility 50.42% 57.96% 50.80% 56.45%
Risk-free interest rate 1.30% 1.58% 1.53% 1.64%
Expected dividends 0.00% 0.00% 0.00% 0.00%
Expected life (in years) 3.75 3.71 3.75 3.71