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						9 Months Ended
	Nov. 30, 2024	Aug. 31, 2024	May 31, 2024	Nov. 30, 2023	Aug. 31, 2023	May 31, 2023	Nov. 30, 2024	Nov. 30, 2023
Schedule of Basic and Dilutive Net Earnings Per Share Reconciliation [Line Items]
Net earnings	$ 125,441	$ 132,809	$ 152,440	$ 82,003	$ 118,635	$ 228,298	$ 410,690	$ 428,936
Weighted average common shares outstanding, shares	154,582			158,446			155,874	158,347
Weighted average common shares and dilutive potential common shares, shares	155,265			158,799			156,504	158,866
Basic net earnings per share (in dollars per share)	$ 0.81			$ 0.52			$ 2.63	$ 2.71
Diluted net earnings per share (in dollars per share)	$ 0.81			$ 0.52			$ 2.62	$ 2.70
Stock options
Schedule of Basic and Dilutive Net Earnings Per Share Reconciliation [Line Items]
Dilutive potential common shares, shares	307			156			313	301
Stock-settled stock units and awards
Schedule of Basic and Dilutive Net Earnings Per Share Reconciliation [Line Items]
Dilutive potential common shares, shares	376			197			317	218