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The Company and Its Significant Accounting Policies Share-Based Compensation (Details)
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12 Months Ended | ||
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Sep. 30, 2012
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Sep. 25, 2011
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Sep. 26, 2010
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| Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] | |||
| Volatility | 31.50% | 30.80% | 33.80% |
| Risk-free interest rate | 1.00% | 2.10% | 2.50% |
| Dividend yield | 1.50% | 1.50% | 1.50% |
| Post-vest forfeiture rate | 9.00% | 9.80% | 9.80% |
| Suboptimal exercise factor | 1.7 | 1.8 | 1.8 |
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- Definition
Represents the rate at which stock options are expected to be forfeited by employees subsequent to their vest dates. No definition available.
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- Definition
Represents the ratio by which the stock price must increase over the exercise price before employees are expected to exercise their stock options. No definition available.
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- Definition
The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. 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
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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- Details
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