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Share-based Awards (Details 1) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Jan. 28, 2012
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Jan. 29, 2011
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Jan. 30, 2010
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| Common Stock Options Shares | |||
| Beginning of year | 5,036 | 5,791 | 5,300 |
| Granted | 621 | 1,521 | 977 |
| Exercised | (1,936) | (2,033) | (429) |
| Canceled | (162) | (243) | (57) |
| End of year | 3,559 | 5,036 | 5,791 |
| Exercisable at end of year | 1,437 | 2,272 | 2,971 |
| Common Stock Options Weighted-Average Exercise Price | |||
| Beginning of year | $ 16.55 | $ 11.18 | $ 10.27 |
| Granted | $ 66.58 | $ 26.12 | $ 12.44 |
| Exercised | $ 14.28 | $ 8.41 | $ 2.86 |
| Canceled | $ 17.75 | $ 16.73 | $ 10.46 |
| End of year | $ 26.46 | $ 16.55 | $ 11.18 |
| Exercisable at end of year | $ 14.27 | $ 12.38 | $ 8.99 |
| Restricted Stock Outstanding | |||
| Beginning of year | 128 | 0 | |
| Granted | 15 | 128 | |
| Vested | (71) | 0 | |
| Repurchased | (50) | 0 | |
| End of year | 22 | 128 | |
| Restricted Stock Outstanding Weighted-Average Exercise Price | |||
| Beginning of year | $ 24.29 | $ 0 | |
| Granted | $ 63.38 | $ 24.29 | |
| Vested | $ 23.62 | $ 0 | |
| Repurchased | $ 23.52 | $ 0 | |
| End of year | $ 55.72 | $ 24.29 | |
| X | ||||||||||
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- Definition
Share based compensation arrangement by share-based payment award equity instruments other than options grants in period weighted average exercised price. No definition available.
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| X | ||||||||||
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- Definition
Share-based payment award equity instruments other than options nonvested weighted average exercised price. No definition available.
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- Definition
Share-based compensation arrangement by share-based payment award equity instruments other than options repurchased in period. No definition available.
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| X | ||||||||||
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- Definition
Share-based compensation arrangement by share-based payment award equity instruments other than options repurchased in period weighted exercised price. No definition available.
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| X | ||||||||||
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- Definition
Share-based compensation arrangement by share-based payment award equity instruments other than options vested in period weighted average exercised price. No definition available.
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| X | ||||||||||
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- Definition
Share-based compensation arrangement by share-based payment award option exercise in period weighted average exercise price. No definition available.
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| X | ||||||||||
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- Definition
Share-based compensation arrangement by share-based payment award option grant in period weighted average exercise price. No definition available.
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| X | ||||||||||
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- Definition
Share-based compensation arrangement by share-based payment award option other shares increase decrease in period weighted average exercise price. No definition available.
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- Details
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| X | ||||||||||
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- Definition
The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that lapsed during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Net number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The increase or decrease in number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding, including vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
The weighted average price as of the beginning of the year at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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