Share-Based Compensation (Restricted Stock Units Activity) (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended			9 Months Ended
		Oct. 30, 2021	Oct. 31, 2020	[1]	Oct. 30, 2021	Oct. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Exercise of Option, Tax Benefit		$ 150	$ 0		$ 4,166	$ 0
Restricted Stock Unit Activity, Number of Underlying Shares
Number of Underlying Shares, Beginning Balance at January 30, 2021					384,757
Number of Underlying Shares, Granted					0
Number of Underlying Shares, Forfeited					(34,150)
Number of Underlying Shares, Ending Balance at July 31, 2021		240,839			240,839
Restricted Stock Unit Activity, Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Beginning Balance at January 30, 2021					$ 33.04
Weighted-Average Grant Date Fair Value, Granted					0
Weighted-Average Grant Date Fair Value, Forfeited					54.87
Weighted-Average Grant Date Fair Value, Ending Balance at July 31, 2021		$ 32.80			$ 32.80
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		$ 33,405			$ 33,405
Restricted Stock Unit Activity, Number of Underlying Shares
Number of Underlying Shares, Beginning Balance at January 30, 2021					3,037,098
Number of Underlying Shares, Granted					725,926
Number of Underlying Shares, Adjustments for performance achievement					0
Number of Underlying Shares, Vested					(1,081,929)
Number of Underlying Shares, Forfeited					(98,340)
Number of Underlying Shares, Ending Balance at July 31, 2021	[2]	2,582,755			2,582,755
Restricted Stock Unit Activity, Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Beginning Balance at January 30, 2021					$ 11.62
Weighted-Average Grant Date Fair Value, Granted					32.73
Weighted-Average Grant Date Fair Value, Adjustments for performance achievement					0
Weighted-Average Grant Date Fair Value, Vested					12.23
Weighted-Average Grant Date Fair Value, Forfeited					16.89
Weighted-Average Grant Date Fair Value, Ending Balance at July 31, 2021		$ 17.10			$ 17.10
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition					1 year 3 months 18 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		$ 8,532			$ 8,532
Restricted Stock Unit Activity, Number of Underlying Shares
Number of Underlying Shares, Beginning Balance at January 30, 2021					297,216
Number of Underlying Shares, Granted					157,645
Number of Underlying Shares, Adjustments for performance achievement					(106,715)
Number of Underlying Shares, Vested					0
Number of Underlying Shares, Forfeited					(7,997)
Number of Underlying Shares, Ending Balance at July 31, 2021		340,149			340,149
Restricted Stock Unit Activity, Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Beginning Balance at January 30, 2021					$ 22.43
Weighted-Average Grant Date Fair Value, Granted					32.09
Weighted-Average Grant Date Fair Value, Adjustments for performance achievement					21.31
Weighted-Average Grant Date Fair Value, Vested					0
Weighted-Average Grant Date Fair Value, Forfeited					29.92
Weighted-Average Grant Date Fair Value, Ending Balance at July 31, 2021		$ 27.08			$ 27.08
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition					1 year 2 months 12 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		$ 8,047			$ 8,047
Restricted Stock Unit Activity, Number of Underlying Shares
Number of Underlying Shares, Beginning Balance at January 30, 2021					721,879
Number of Underlying Shares, Granted					78,827
Number of Underlying Shares, Adjustments for performance achievement					(6,084)
Number of Underlying Shares, Vested					(100,634)
Number of Underlying Shares, Forfeited					(13,804)
Number of Underlying Shares, Ending Balance at July 31, 2021		680,184			680,184
Restricted Stock Unit Activity, Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Beginning Balance at January 30, 2021					$ 21.46
Weighted-Average Grant Date Fair Value, Granted					56.99	$ 16.24
Weighted-Average Grant Date Fair Value, Adjustments for performance achievement					33.69
Weighted-Average Grant Date Fair Value, Vested					33.69
Weighted-Average Grant Date Fair Value, Forfeited					25.13
Weighted-Average Grant Date Fair Value, Ending Balance at July 31, 2021		$ 22.81			$ 22.81
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition					1 year

[1] No income tax discrete charges were recognized during the thirteen and thirty-nine weeks ended October 31, 2020 due to the establishment of a valuation allowance.

[2] 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.