Accounting for Share-Based Payments - Restricted Stock Award Activity (Details) - $ / shares shares in Thousands	12 Months Ended
Jan. 31, 2020	Feb. 01, 2019	Feb. 02, 2018
Restricted Stock Awards
Number of Shares or Units
Nonvested, beginning balance, shares (in shares)	1,790
Granted, shares (in shares)	1,136
Vested, shares (in shares)	(570)
Canceled or forfeited, shares (in shares)	(359)
Nonvested, ending balance, shares (in shares)	1,997	1,790
Weighted-Average Grant Date Fair Value
Nonvested, beginning balance, weighted-average grant-date fair value per share (in dollars per share)	$ 81.16
Granted, weighted-average grant-date fair value per share (in dollars per share)	109.04	$ 86.99	$ 82.41
Vested, weighted-average grant-date fair value per share (in dollars per share)	72.26
Cancelled or forfeited, weighted-average grant-date fair value per share (in dollars per share)	90.86
Nonvested, ending balance, weighted-average grant-date fair value per share (in dollars per share)	$ 97.81	$ 81.16
Performance Share Units
Number of Shares or Units
Nonvested, beginning balance, shares (in shares)	613
Granted, shares (in shares)	249
Vested, shares (in shares)	(171)
Canceled or forfeited, shares (in shares)	(122)
Nonvested, ending balance, shares (in shares)	569	613
Weighted-Average Grant Date Fair Value
Nonvested, beginning balance, weighted-average grant-date fair value per share (in dollars per share)	$ 83.83
Granted, weighted-average grant-date fair value per share (in dollars per share)	115.93	$ 82.22	91.50
Vested, weighted-average grant-date fair value per share (in dollars per share)	77.75
Cancelled or forfeited, weighted-average grant-date fair value per share (in dollars per share)	92.50
Nonvested, ending balance, weighted-average grant-date fair value per share (in dollars per share)	$ 97.86	$ 83.83
Weighted-average assumptions used:
Expected volatility	24.10%	22.80%
Weighted-average dividend yield	1.89%	1.77%
Weighted-average risk-free interest rate	2.28%	2.36%
Weighted-average expected term	2 years 10 months 2 days	2 years 9 months 21 days
Restricted Stock Units
Number of Shares or Units
Nonvested, beginning balance, shares (in shares)	329
Granted, shares (in shares)	452
Vested, shares (in shares)	(82)
Canceled or forfeited, shares (in shares)	(193)
Nonvested, ending balance, shares (in shares)	506	329
Weighted-Average Grant Date Fair Value
Nonvested, beginning balance, weighted-average grant-date fair value per share (in dollars per share)	$ 74.95
Granted, weighted-average grant-date fair value per share (in dollars per share)	103.40	$ 80.32	$ 75.44
Vested, weighted-average grant-date fair value per share (in dollars per share)	67.62
Cancelled or forfeited, weighted-average grant-date fair value per share (in dollars per share)	88.57
Nonvested, ending balance, weighted-average grant-date fair value per share (in dollars per share)	$ 96.39	$ 74.95

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

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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.

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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).

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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).

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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.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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

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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.

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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The risk-free interest rate assumption that is used in valuing an option on its own shares.

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Rate of weighted-average expected volatility for award under share-based payment arrangement.

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Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 10
-Section 50
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