Retirement Savings Plans (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Retirement savings plan
Minimum number of working hours required to participate in the plan	1000 hours
Minimum employee age required to participate in the plan	21 years
Percentage of the participant's compensation for which a discretionary matching contribution may be made by the Company	10.00%
Company's discretionary matching contribution percentage	50.00%
Total expense recorded under the plan, net of forfeitures	$ 6.1	$ 6.4	$ 5.3
Deferred compensation plans
Liability for compensation deferred under the Company's plans	52.2	49.4
Total expense recorded under the plans, net of forfeitures	$ 1.5	$ 1.0	$ 0.9

Represents the minimum required age at which employees are eligible to participate in the defined contribution plan.

No definition available.

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- Definition

Represents the minimum number of required working hours in a year to participate in the defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

Represents the maximum percentage of employees annual salary.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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Period Type:	duration

- Definition

Represents the average percentage of employees' annual contributions for which the employer contributes a discretionary matching contribution to the defined contribution plan.

+ References

No definition available.

+ Details

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- Details

Name:	us-gaap_DeferredCompensationArrangementsAbstract
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Period Type:	duration

- Definition

The amount of payment into the fund established for purposes of making future disbursements to the individual in accordance with the terms and understanding of the deferred compensation arrangement.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration