Share-Based Compensation Plans (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
May 04, 2013	Apr. 28, 2012
Share-Based Compensation Plans
Share-based compensation expense	$ 4.5	$ 4.1
Non-Vested Deferred Stock Units and Restricted Stock Shares
Unrecognized compensation cost
Unrecognized compensation cost	$ 22.7
Compensation recognition period	1 year 6 months
Performance-Based
Non-Vested Deferred Stock Units and Restricted Stock Shares
Vesting period	3 years
Vesting percentage of awards in tranches	33.00%
Number of shares of common stock received for each performance share	1
Shares
Granted (in shares)	97,668
Balance at the end of the period (in shares)	97,668
Weighted-Average Grant-Date Fair Value
Granted (in dollars per share)	$ 33.09
Balance at the end of the period (in dollars per share)	$ 33.09
Non-Vested Shares, Granted	97,668
Time-Based
Shares
Balance at the beginning of the period (in shares)	471,369
Granted (in shares)	449,595
Vested (in shares)	(292,430)
Forfeited (in shares)	(1,244)
Balance at the end of the period (in shares)	627,290
Shares relinquished for tax withholding	95,660
Weighted-Average Grant-Date Fair Value
Balance at the beginning of the period (in dollars per share)	$ 36.22
Granted (in dollars per share)	$ 33.09
Vested (in dollars per share)	$ 38.97
Forfeited (in dollars per share)	$ 40.13
Balance at the end of the period (in dollars per share)	$ 32.69
Non-Vested Shares, Granted	449,595
Time-Based \| Maximum
Non-Vested Deferred Stock Units and Restricted Stock Shares
Vesting period	3 years
Time-Based \| Minimum
Non-Vested Deferred Stock Units and Restricted Stock Shares
Vesting period	1 year
Time-Based \| Deferred stock units granted prior to April 3, 2013
Shares
Balance at the end of the period (in shares)	177,695
Restricted Stock
Shares
Balance at the beginning of the period (in shares)	99,847
Granted (in shares)	5,166
Vested (in shares)	(23,938)
Balance at the end of the period (in shares)	81,075
Weighted-Average Grant-Date Fair Value
Balance at the beginning of the period (in dollars per share)	$ 28.55
Granted (in dollars per share)	$ 33.89
Vested (in dollars per share)	$ 29.76
Balance at the end of the period (in dollars per share)	$ 28.53
Non-Vested Shares, Granted	5,166

Represents the number of shares of common stock received for each performance share.

No definition available.

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- Definition

Represents the percentage of stock awards vesting over the service period per year.

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)(i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph g(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph 64

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 14.F)

-URI http://asc.fasb.org/extlink&oid=6793087&loc=d3e301413-122809

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Aggregate unrecognized cost of share-based awards, other than options, made to employees under an equity-based compensation plan, that have yet to vest.

+ References

No definition available.

+ Details

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

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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).

+ References

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued 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).

+ References

+ Details

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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.

+ References

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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ References

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

+ Details

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

+ References

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- Definition

For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer.

+ References

No definition available.

+ Details

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