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Stock-Based Compensation (Schedule of Weighted-Average Assumptions Utilized to Value Stock Options) (Details) (USD $)
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3 Months Ended | 9 Months Ended | ||
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Jun. 25, 2011
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Jun. 26, 2010
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Jun. 25, 2011
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Jun. 26, 2010
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| 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 |
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- Details
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- Definition
The period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the effects of employees' expected exercise and post-vesting employment termination behavior. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Disclosure of the weighted average expected dividend for an entity using a valuation technique with different dividend rates during the contractual term. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The range of expected volatilities used and the weighted-average expected volatility for an entity using a valuation technique with different volatilities during the contractual term. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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