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Share-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Nov. 25, 2022
Nov. 26, 2021
Nov. 25, 2022
Nov. 26, 2021
Feb. 25, 2022
Feb. 26, 2021
Performance Units [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding $ 5.2   $ 5.2   $ 4.8 $ 2.3
Performance and restricted stock units expense (credit) (1.3) $ (4.1) 2.6 $ 1.5    
Share-based Payment Arrangement, Expense, Tax Benefit $ (0.3) (1.0) $ 0.7 0.4    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 2,331,025   2,331,025   1,205,833  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 12.72   $ 12.72   $ 14.21  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     1,125,192      
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price     $ 11.13      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 0.6   $ 0.6      
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition     1 year 9 months 18 days      
Restricted Stock Units [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Performance and restricted stock units expense (credit) 3.4 2.1 $ 14.6 11.3    
Share-based Payment Arrangement, Expense, Tax Benefit $ 0.9 $ 0.5 $ 3.7 $ 2.8    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 4,372,321   4,372,321   3,445,438  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 11.38   $ 11.38   $ 11.86  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     1,222,849      
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price     $ 10.67      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period     (223,936)      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value     $ 14.67      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period     (72,030)      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value     $ 12.65      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 16.4   $ 16.4      
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition     1 year 7 months 6 days      
2023 Performance Unit Award            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period     428,700      
2022 Performance Unit Award            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period     448,300      
2021 Performance unit Award            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period     529,500      
Tranche 1 | 2023 Performance Unit Award | Performance Units [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate [1]     2.60%      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term     3 years      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate [2]     52.20%      
Tranche 1 | 2022 Performance Unit Award | Performance Units [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate [1]     0.30%      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term     3 years      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate [2]     53.50%      
Tranche 1 | 2021 Performance unit Award | Performance Units [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate [1]     0.20%      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term     2 years      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate [2]     58.10%      
Tranche 2 | 2022 Performance Unit Award | Performance Units [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate [1]     2.30%      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term     2 years      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate [2]     43.80%      
Tranche 2 | 2021 Performance unit Award | Performance Units [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate [1]     0.20%      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term     2 years      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate [2]     61.30%      
Tranche 3 [Domain] | 2021 Performance unit Award | Performance Units [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate [1]     1.60%      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term     1 year      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate [2]     28.70%      
[1] Based on the U.S. Government bond benchmark on the grant date.
[2] Represents the historical price volatility of our Class A Common Stock for the three-year period preceding the grant date.