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Stock-Based Compensation (Tables)
 12 Months Ended
Feb. 27, 2021
Share-based Payment Arrangement [Abstract]  
Stock Options Weighted Average Assumptions The fair value of each award grant is estimated on the date of grant using the binomial lattice option-pricing model with the following weighted-average assumptions used for grants in fiscal 2021.
2021
Dividend yield3.3 %
Expected volatility40.0 %
Risk-free interest rate0.7 %
Maximum price$35.70 
Award transactions on stock options
 Number of
Shares		Weighted
Average
Exercise  Price		Weighted Average Remaining Contractual LifeAggregate
Intrinsic Value at Year-End
Outstanding at February 29, 2020100,341 $8.34 
Awards granted660,600 23.04 
Awards exercised(127,241)11.45 
Outstanding at February 27, 2021633,700 $23.04 9.3 years$9,099,932 
Vested or expected to vest at February 27, 2021633,700 $23.04 9.3 years$9,099,932 
Exercisable at February 27, 2021215,600 $23.04 9.3 years$3,096,016 
Nonvested share award transactions
The following table summarizes nonvested share activity for fiscal February 27, 2021: 
 Number of Shares and UnitsWeighted Average Grant Date Fair Value
February 29, 2020309,259 $40.58 
Granted387,858 21.66 
Vested(219,081)35.51 
Canceled(2,809)34.03 
February 27, 2021475,227 $27.52