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Share-Based Compensation - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Jan. 08, 2021
Mar. 05, 2019
Jan. 29, 2023
Jan. 30, 2022
Jan. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Aggregate unrecognized compensation for stock options     $ 6.4    
Dividend yield     0.00%    
Number of shares authorized per the equity incentive plan     6,896,911    
Options granted (in dollars per share)     $ 12.77    
Options granted (in shares)     541,530 0 0
Share Price     $ 33.15    
Total Stockholder Return Market Condition Restricted Stock Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Period over which aggregate unrecognized compensation will be recognized     1 year 4 months 24 days    
Weighted average fair value units granted (in dollars per share)     $ 67.52    
Aggregate unrecognized compensation     $ 3.6    
Stock units granted (in shares)     125,399 81,688 137,224
Total number of unvested shares (in shares)     88,000 138,000  
Shares vested (in shares)     0    
Market performance RSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Weighted average fair value units granted (in dollars per share)     $ 49.55    
Minimum closing share price used to determine market condition (usd per share)     $ 95.00    
Stock units granted (in shares)     54,928    
Performance period     30 days    
Stock options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Period over which aggregate unrecognized compensation will be recognized     2 years 9 months 18 days    
Employee stock unit awards          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period     4 years    
Aggregate unrecognized compensation for stock options     $ 67.2    
Period over which aggregate unrecognized compensation will be recognized     2 years 6 months    
Weighted average fair value units granted (in dollars per share)     $ 41.91    
Stock units granted (in shares)     687,000    
Total number of unvested shares (in shares)     1,639,000 1,902,000  
Shares vested (in shares)     738,000    
Minimum | Stock options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period     3 years    
Contractual term of equity share options     6 years    
Maximum | Stock options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period     4 years    
Contractual term of equity share options     10 years    
Subject to cash settlement | Non-employee director stock unit awards          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period     1 year    
Tranche One | Total Stockholder Return Market Condition Restricted Stock Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance period     1 year    
Weighted average fair value units granted (in dollars per share)     $ 57.92    
Tranche Two | Total Stockholder Return Market Condition Restricted Stock Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance period     2 years    
Weighted average fair value units granted (in dollars per share)     $ 68.94    
Tranche Three | Total Stockholder Return Market Condition Restricted Stock Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance period     3 years    
Weighted average fair value units granted (in dollars per share)     $ 75.69    
Vesting January 31, 2021 | Total Stockholder Return Market Condition Restricted Stock Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Awards expected to vest (in share)     129,537    
Employees | Tranche Two | Market performance RSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Minimum closing share price used to determine market condition (usd per share)     $ 95.00    
Employees | Tranche Three | Minimum | Market performance RSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Minimum closing share price used to determine market condition (usd per share)     $ 71.00    
Chief Executive Officer | Market performance RSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock units granted (in shares)   320,000      
Total number of unvested shares (in shares)     224,000    
Chief Executive Officer | Tranche One | Market performance RSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Weighted average fair value units granted (in dollars per share)   $ 44.32      
Percentage of award that will vest upon satisfaction of performance condition   30.00%      
Award performance period   30 days      
Minimum closing share price used to determine market condition (usd per share)   $ 71.00      
Shares vested (in shares) 96,000        
Chief Executive Officer | Tranche Two | Market performance RSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Weighted average fair value units granted (in dollars per share)   $ 33.19      
Award performance period   30 days      
Minimum closing share price used to determine market condition (usd per share)   $ 95.00      
Chief Executive Officer | Tranche Three | Market performance RSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Percentage of award that will vest upon satisfaction of performance condition   30.00%      
Chief Executive Officer | Tranche Three | Minimum | Market performance RSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Minimum closing share price used to determine market condition (usd per share)   $ 71.00      
Chief Executive Officer | Tranche Three | Maximum | Market performance RSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Minimum closing share price used to determine market condition (usd per share)   $ 95.00      
Non-employee director stock unit awards | Restricted Stock Units (RSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period     1 year    
Weighted average fair value units granted (in dollars per share)     $ 51.97    
Share-based compensation liability, long-term     $ 6.1    
Stock units granted (in shares)     32,000    
Total number of unvested shares (in shares)     32,000 24,000  
Shares vested and unsettled (in shares)     189,993    
Shares vested (in shares)     24,000    
Non-employee director stock unit awards | Subject to share settlement | Restricted Stock Units (RSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock units granted (in shares)     16,000    
Total number of unvested shares (in shares)     16,000 12,000  
Shares vested (in shares)     12,000    
Non-employee director stock unit awards | Subject to cash settlement | Restricted Stock Units (RSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock units granted (in shares)     16,000    
Total number of unvested shares (in shares)     16,000 12,000  
Shares vested (in shares)     12,000