Share-Based Payments (Tables) |
3 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Nov. 17, 2018 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Weighted Average for Key Assumptions Used in Determining Fair Value of Options Granted and Related Share-Based Compensation Expense | The weighted average fair value of the stock option awards granted during the twelve week periods ended November 17, 2018 and November 18, 2017, using the Black-Scholes-Merton multiple-option pricing valuation model, was $208.31 and $128.93 per share, respectively, using the following weighted average key assumptions:
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