Share Based Compensation (Textual) (Details) (USD $)	12 Months Ended
Jan. 31, 2015 share_based_compensation_plan	Feb. 01, 2014	Feb. 02, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 23,027,000	$ 53,516,000	$ 52,922,000
Tax benefits related to share-based compensation	8,600,000	20,300,000	20,100,000
Effects of adjustments for forfeitures	2,600,000	2,300,000	1,300,000
Number of primary share based compensation plans	2
Number of other share based compensation plans	4
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of award	10 years
Total intrinsic value of award exercised			2,000,000
Grant date fair value of stock options vested during period			1,300,000
Employee Stock Option [Member] \| Associate [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	4 years
Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of award	10 years
Total intrinsic value of award exercised	1,500,000	8,500,000	900,000
Grant date fair value of award other than options vested during period	7,400,000	83,700,000	24,100,000
Total unrecognized compensation cost, net of estimated forfeitures	8,000,000
Unrecognized compensation cost, weighted-average period of recognition	16 months
Service-based Restricted Stock Unit (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant date fair value of award other than options vested during period	17,078,000	14,535,000	19,532,000
Total unrecognized compensation cost, net of estimated forfeitures	33,600,000
Unrecognized compensation cost, weighted-average period of recognition	16 months
Total fair value of restricted stocks	33,075,000	23,192,000	29,297,000
Performance-based Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant date fair value of award other than options vested during period	515,000	515,000	0
Total unrecognized compensation cost, net of estimated forfeitures	800,000
Unrecognized compensation cost, weighted-average period of recognition	7 months
Total fair value of restricted stocks	4,709,000	10,814,000	773,000
Market-based Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant date fair value of award other than options vested during period	0	0	0
Total unrecognized compensation cost, net of estimated forfeitures	1,000,000
Unrecognized compensation cost, weighted-average period of recognition	14 months
Total fair value of restricted stocks	$ 3,756,000	$ 0	$ 0
2005 LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares approved for grant	250,000
2005 LTIP [Member] \| Non Associate Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	1 year
2007 LTIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares approved for grant	2,000,000

Share based compensation arrangement by share based payment award number of other compensation plans

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Share based compensation arrangement by share based payment award number of primary compensation plans.

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Share based compensation expense effect of adjustment for forfeitures.

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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.

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Unrecognized cost of unvested share-based compensation awards.

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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.

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Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period.

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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.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Aggregate value of stock related to Restricted Stock Awards issued during the period.

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