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Stockholders' Equity (Performance Shares and Restricted Stock, Narrative) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 12 Months Ended
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Jan. 28, 2023 | Jan. 29, 2022 | Jan. 30, 2021
2017 Equity Incentive Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares available for new restricted stock awards (in shares) | 8.9 |  |
Restricted stock |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Unamortized compensation expense | $ 183.2 | $ 181.8 |
Weighted average remaining period of unrecognized compensation expense | 1 year 9 months 18 days | 1 year 9 months 18 days |
Intrinsic value per share, end of period (in dollars per share) | $ 119.48 |  |
Intrinsic value, end of period | $ 471.1 |  |
Treasury stock shares acquired (in shares) | 0.5 | 0.5 | 0.5
Treasury stock, number of shares held (in shares) | 15.3 | 14.8 |
Restricted stock | 2017 Equity Incentive Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares available for new restricted stock awards (in shares) | 8.9 | 9.3 | 10.2
Restricted stock | Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Restricted stock vesting period | 3 years |  |
Restricted stock | Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Restricted stock vesting period | 5 years |  |
Performance Shares |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Restricted stock vesting period | 3 years |  |

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