v2.3.0.11
Stock-Based Compensation (Schedule of Weighted-Average Assumptions Utilized to Value Stock Options) (Details) (USD $)
3 Months Ended 9 Months Ended
Jun. 25, 2011
Jun. 26, 2010
Jun. 25, 2011
Jun. 26, 2010
Stock-Based Compensation        
Risk-free interest rate 1.00% 1.80% 1.00% 1.80%
Expected volatility 45.00% 47.00% 45.00% 47.00%
Expected life (in years) 4.2 3.9 4.2 3.9
Dividend yield        
Weighted average fair value of stock options granted $ 7.96 $ 5.68 $ 6.23 $ 5.87