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Share-Based Compensation Plans (Details) (USD $)
In Millions, except Share data, unless otherwise specified
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3 Months Ended |
|
Apr. 28, 2012
|
Apr. 30, 2011
|
| Share-Based Compensation Plans |
|
|
| Share-based compensation expense |
$ 4.1 |
$ 3.0 |
| Shares |
|
|
| Outstanding at the beginning of the period (in shares) |
1,314,422 |
|
| Granted (in shares) |
100,349 |
|
| Exercised (in shares) |
(138,773) |
|
| Forfeited (in shares) |
(7,000) |
|
| Outstanding at the end of the period (in shares) |
1,268,998 |
|
| Exercisable at the end of the period (in shares) |
678,609 |
|
| Weighted-Average Exercise Price |
|
|
| Outstanding at the beginning of the period (in dollars per share) |
$ 22.61 |
|
| Granted (in dollars per share) |
$ 40.13 |
|
| Exercised (in dollars per share) |
$ 18.80 |
|
| Forfeited (in dollars per share) |
$ 22.72 |
|
| Outstanding at the end of the period (in dollars per share) |
$ 24.42 |
|
| Exercisable at the end of the period (in dollars per share) |
$ 21.85 |
|
| Additional disclosures |
|
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| Weighted-average grant date fair value of stock options granted (in dollars per share) |
$ 17.21 |
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Stock Options
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|
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| Assumptions used to value stock options |
|
|
| Risk-free interest rate (as a percent) |
1.09% |
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| Expected lives (in years) |
5 years |
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| Dividend yield (as a percent) |
2.07% |
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| Expected volatility (as a percent) |
58.67% |
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| Unrecognized compensation cost |
|
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| Unrecognized compensation cost related to nonvested stock options |
$ 5.9 |
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| Compensation recognition period (in years) |
2 years 3 months 18 days |
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