Share-Based Compensation (Restricted Stock Units Activity) (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
		May 04, 2024	Apr. 29, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Exercise of Option, Tax Benefit		$ 14,554	$ 1,117
Restricted Stock Unit Activity, Number of Underlying Shares
Number of Underlying Shares, Beginning Balance at January 30, 2021		25,600
Number of Underlying Shares, Forfeited		0
Number of Underlying Shares, Ending Balance at July 31, 2021		0
Restricted Stock Unit Activity, Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Beginning Balance		$ 29.29
Weighted-Average Grant Date Fair Value, Forfeited		0
Weighted-Average Grant Date Fair Value, Ending Balance		$ 0
Service-based restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount		$ 53,083
Restricted Stock Unit Activity, Number of Underlying Shares
Number of Underlying Shares, Beginning Balance at January 30, 2021		1,886,085
Number of Underlying Shares, Granted		226,209
Number of Underlying Shares, Adjustments for performance achievement		0
Number of Underlying Shares, Vested		(757,301)
Number of Underlying Shares, Forfeited		(40,864)
Number of Underlying Shares, Ending Balance at July 31, 2021		1,314,129
Restricted Stock Unit Activity, Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Beginning Balance		$ 27.12
Weighted-Average Grant Date Fair Value, Granted		120.49
Weighted-Average Grant Date Fair Value, Adjustments for performance achievement		0
Weighted-Average Grant Date Fair Value, Vested		24.37
Weighted-Average Grant Date Fair Value, Forfeited		30.95
Weighted-Average Grant Date Fair Value, Ending Balance		$ 44.71
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition		1 year 6 months
Performance-based restricted stock units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount		$ 20,866
Restricted Stock Unit Activity, Number of Underlying Shares
Number of Underlying Shares, Beginning Balance at January 30, 2021		521,212
Number of Underlying Shares, Granted		53,775
Number of Underlying Shares, Adjustments for performance achievement		150,446
Number of Underlying Shares, Vested		(300,892)
Number of Underlying Shares, Forfeited		0
Number of Underlying Shares, Ending Balance at July 31, 2021	[1]	424,541
Restricted Stock Unit Activity, Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Beginning Balance		$ 30.03
Weighted-Average Grant Date Fair Value, Granted		120.56
Weighted-Average Grant Date Fair Value, Adjustments for performance achievement		32.10
Weighted-Average Grant Date Fair Value, Vested		32.10
Weighted-Average Grant Date Fair Value, Forfeited		0
Weighted-Average Grant Date Fair Value, Ending Balance		$ 40.76
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition		1 year 7 months 6 days
Market-based restricted stock units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount		$ 8,037
Restricted Stock Unit Activity, Number of Underlying Shares
Number of Underlying Shares, Beginning Balance at January 30, 2021		260,619
Number of Underlying Shares, Granted		26,895
Number of Underlying Shares, Adjustments for performance achievement		75,227
Number of Underlying Shares, Vested		(150,454)
Number of Underlying Shares, Forfeited		0
Number of Underlying Shares, Ending Balance at July 31, 2021	[1]	212,287
Restricted Stock Unit Activity, Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Beginning Balance		$ 43.90
Weighted-Average Grant Date Fair Value, Granted		180.71	$ 41.20
Weighted-Average Grant Date Fair Value, Adjustments for performance achievement		50.34
Weighted-Average Grant Date Fair Value, Vested		50.34
Weighted-Average Grant Date Fair Value, Forfeited		0
Weighted-Average Grant Date Fair Value, Ending Balance		$ 58.95
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition		1 year 7 months 6 days

[1] Unvested shares related to restricted stock units with performance-based and market-based vesting conditions are reflected at 100% of their target vesting amount in the table above. Unvested shares related to restricted stock units with performance-based and market-based vesting conditions can be achieved from zero up to 200% of their target vesting amount.