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Share-based Compensation (Stock Option Activity) (Details) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 30, 2021 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding as of Beginning of Period, Number of Shares | shares	5,280
Exercised, Number of Shares | shares	(237)
Cancelled, Number of Shares | shares	(880)
Outstanding as of End of Period, Number of Shares | shares	4,163
Vested and Expected to Vest as of End of Period, Number of Shares | shares	4,144	[1]
Options Exercisable as of End of Period, Number of Shares | shares	3,631
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding as of Beginning of Period, Weighted Average Option Price Per Share | $ / shares	$ 51.87
Exercised, Weighted Average Option Price Per Share | $ / shares	33.13
Cancelled, Weighted Average Option Price Per Share | $ / shares	45.00
Outstanding as of End of Period, Weighted Average Option Price Per Share | $ / shares	54.39
Vested and Expected to Vest as of End of Period, Weighted Average Option Price Per Share | $ / shares	54.46	[1]
Options Exercisable as of End of Period, Weighted Average Options Price Per Share | $ / shares	$ 56.57
Outstanding as of End of Period, Weighted Average Remaining Contractual Life	5 years
Vested and Expected to Vest as of End of Period, Weighted Average Remaining Contractual Life	5 years	[1]
Options Exercisable as of End of Period, Weighted Average Remaining Contractual Life	4 years 8 months 12 days
Outstanding as of End of Support, Aggregate Intrinsic Value | $	$ 5,356
Vested and Expected to Vest as of End of Period, Aggregate Intrinsic Value | $	5,257	[1]
Options Exercisable as of End of Period, Aggregate Intrinsic Value | $	$ 3,048
[1] The number of options expected to vest includes an estimate of expected forfeitures.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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