Net Earnings Per Share (Basic And Dilutive Net Earnings Per Share Reconciliations) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	May 31, 2022	May 31, 2021
Schedule of Basic and Dilutive Net Earnings Per Share Reconciliation [Line Items]
Net earnings	$ 252,265	$ 436,756
Weighted average common shares outstanding, shares	160,298	163,151
Weighted average common shares and dilutive potential common shares, shares	161,798	166,295
Basic net earnings per share (in dollars per share)	$ 1.57	$ 2.68
Diluted net earnings per share (in dollars per share)	$ 1.56	$ 2.63
Stock options
Schedule of Basic and Dilutive Net Earnings Per Share Reconciliation [Line Items]
Dilutive potential common shares, shares	1,178	2,529
Stock-settled stock units and awards
Schedule of Basic and Dilutive Net Earnings Per Share Reconciliation [Line Items]
Dilutive potential common shares, shares	322	615