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Net Earnings Per Share (Basic And Dilutive Net Earnings Per Share Reconciliations) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Feb. 29, 2024
Feb. 28, 2023
Feb. 28, 2022
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]      
Net earnings $ 479,204 $ 484,762 $ 1,151,297
Weighted average common shares outstanding (in shares) 158,216 158,800 162,410
Weighted average common shares and dilutive potential common shares (in shares) 158,707 159,771 165,176
Basic net earnings per share (in dollars per share) $ 3.03 $ 3.05 $ 7.09
Diluted net earnings per share (in dollars per share) $ 3.02 $ 3.03 $ 6.97
Stock Options      
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]      
Dilutive potential common shares (in shares) 272 688 2,268
Stock-Settled Market Stock Units      
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]      
Dilutive potential common shares (in shares) 219 283 498