Share-Based Compensation (Restricted Stock Units Activity) (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
		Apr. 30, 2022	May 01, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Exercise of Option, Tax Benefit		$ 2,111	$ 3,190
Restricted Stock Unit Activity, Number of Underlying Shares
Number of Underlying Shares, Beginning Balance at January 30, 2021		236,139
Number of Underlying Shares, Forfeited		(33,300)
Number of Underlying Shares, Ending Balance at July 31, 2021		202,839
Restricted Stock Unit Activity, Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Beginning Balance at January 30, 2021		$ 32.55
Weighted-Average Grant Date Fair Value, Forfeited		52.75
Weighted-Average Grant Date Fair Value, Ending Balance at July 31, 2021		$ 29.24
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		$ 46,317
Restricted Stock Unit Activity, Number of Underlying Shares
Number of Underlying Shares, Beginning Balance at January 30, 2021		2,532,240
Number of Underlying Shares, Granted		725,142
Number of Underlying Shares, Adjustments for performance achievement		0
Number of Underlying Shares, Vested		(815,718)
Number of Underlying Shares, Forfeited		(28,840)
Number of Underlying Shares, Ending Balance at July 31, 2021	[1]	2,412,824
Restricted Stock Unit Activity, Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Beginning Balance at January 30, 2021		$ 17.16
Weighted-Average Grant Date Fair Value, Granted		32.19
Weighted-Average Grant Date Fair Value, Adjustments for performance achievement		0
Weighted-Average Grant Date Fair Value, Vested		16.70
Weighted-Average Grant Date Fair Value, Forfeited		17.38
Weighted-Average Grant Date Fair Value, Ending Balance at July 31, 2021		$ 21.84
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition		1 year 4 months 24 days
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		$ 0
Restricted Stock Unit Activity, Number of Underlying Shares
Number of Underlying Shares, Beginning Balance at January 30, 2021		340,149
Number of Underlying Shares, Granted		165,263
Number of Underlying Shares, Adjustments for performance achievement		5,668
Number of Underlying Shares, Vested		(194,465)
Number of Underlying Shares, Forfeited		0
Number of Underlying Shares, Ending Balance at July 31, 2021		316,615
Restricted Stock Unit Activity, Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Beginning Balance at January 30, 2021		$ 27.08
Weighted-Average Grant Date Fair Value, Granted		32.07
Weighted-Average Grant Date Fair Value, Adjustments for performance achievement		23.05
Weighted-Average Grant Date Fair Value, Vested		23.05
Weighted-Average Grant Date Fair Value, Forfeited		0
Weighted-Average Grant Date Fair Value, Ending Balance at July 31, 2021		$ 32.08
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition		0 years
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		$ 20,545
Restricted Stock Unit Activity, Number of Underlying Shares
Number of Underlying Shares, Beginning Balance at January 30, 2021		680,184
Number of Underlying Shares, Granted		82,635
Number of Underlying Shares, Adjustments for performance achievement		18,881
Number of Underlying Shares, Vested		(113,284)
Number of Underlying Shares, Forfeited		0
Number of Underlying Shares, Ending Balance at July 31, 2021		668,416
Restricted Stock Unit Activity, Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Beginning Balance at January 30, 2021		$ 22.81
Weighted-Average Grant Date Fair Value, Granted		45.15	$ 49.81
Weighted-Average Grant Date Fair Value, Adjustments for performance achievement		36.24
Weighted-Average Grant Date Fair Value, Vested		36.24
Weighted-Average Grant Date Fair Value, Forfeited		0
Weighted-Average Grant Date Fair Value, Ending Balance at July 31, 2021		$ 23.67
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition		1 year 1 month 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 at up to 200% of their target vesting amount.