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Stock And Stock-Based Incentive Plans (Expected Cash Settlement Range Upon Restricted Stock Unit Vesting) (Details)
$ in Thousands
Feb. 29, 2020
USD ($)
Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Fiscal 2021 $ 21,342
Fiscal 2022 23,470
Fiscal 2023 26,662
Total expected cash settlements 71,474
Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Fiscal 2021 56,912
Fiscal 2022 62,586
Fiscal 2023 71,099
Total expected cash settlements $ 190,597