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Stock-Based Compensation - Restricted Stock Textual (Details) - Restricted Stock Awards [Member] - 2012 and 2018 Incentive Compensation Plans [Member]
$ in Millions
6 Months Ended 12 Months Ended
Aug. 29, 2020
USD ($)
installment
Feb. 29, 2020
May 30, 2020
installment
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation expense related to unvested restricted stock awards | $ $ 37.1    
Period for recognition, weighted average period (in years) 3 years 2 months 12 days    
Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period, number of equal annual installments 5   5
Service period from date of grant   1 year  
Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period, number of equal annual installments 7   7
Service period from date of grant 3 years