Stock-Based Compensation - Restricted Stock (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended	24 Months Ended
Jan. 29, 2022	Jan. 30, 2021
Restricted Stock
Restricted stock activity
Nonvested at the beginning of the period (in shares)	4,893,732
Granted (in shares)	716,402
Released from restrictions (in shares)	(1,151,177)
Forfeited (in shares)	(224,550)
Nonvested at the end of the period (in shares)	4,234,407	4,893,732
Weighted Average Grant Date Fair Value
Nonvested at beginning of the period (in dollars per share)	$ 26.54
Granted (in dollars per share)	92.74
Released from restrictions (in dollars per share)	33.63
Forfeited (in dollars per share)	26.96
Nonvested at the end of the period (in dollars per share)	$ 35.79	$ 26.54
Intrinsic value of nonvested restricted stock	$ 479.3	$ 327.9
Unrecognized compensation expense
Unrecognized stock-based compensation expense related to nonvested awards, net of estimated forfeitures	$ 58.5
Weighted average period over which unrecognized compensation expense is expected to be recognized	1 year 1 month 6 days
Performance Shares 2019 Plan
Restricted stock activity
Granted (in shares)		782,931
Nonvested at the end of the period (in shares)	645,111
Performance Shares 2021 Plan
Restricted stock activity
Granted (in shares)	249,855
Nonvested at the end of the period (in shares)	247,961

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for 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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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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Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options.

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