Accounting for Share-Based Payments (Details) - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Jan. 29, 2016 |
Jan. 30, 2015 |
Jan. 31, 2014 |
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| Assumptions used: | |||
| Weighted-average expected volatility | 31.30% | 34.20% | 34.20% |
| Weighted-average dividend yield | 1.69% | 1.73% | 1.45% |
| Weighted-average risk-free interest rate | 1.99% | 2.26% | 1.31% |
| Weighted-average expected term | 7 years | 7 years | 7 years 4 months 22 days |
| Stock options granted, weighted-average grant-date fair value per share | $ 20.27 | $ 17.00 | $ 12.24 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- 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 Weighted average expected volatility rate of share-based compensation awards. 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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- Definition Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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