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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	3 Months Ended						9 Months Ended
	Nov. 30, 2025	Aug. 31, 2025	May 31, 2025	Nov. 30, 2024	Aug. 31, 2024	May 31, 2024	Nov. 30, 2025	Nov. 30, 2024
Schedule of Basic and Dilutive Net Earnings Per Share Reconciliation [Line Items]
Net earnings	$ 62,215	$ 95,378	$ 210,381	$ 125,441	$ 132,809	$ 152,440	$ 367,974	$ 410,690
Weighted average common shares outstanding, shares	145,548			154,582			149,004	155,874
Weighted average common shares and dilutive potential common shares, shares	145,864			155,265			149,382	156,504
Basic net earnings per share (in dollars per share)	$ 0.43			$ 0.81			$ 2.47	$ 2.63
Diluted net earnings per share (in dollars per share)	$ 0.43			$ 0.81			$ 2.46	$ 2.62
Stock options
Schedule of Basic and Dilutive Net Earnings Per Share Reconciliation [Line Items]
Dilutive potential common shares, shares	0			307			9	313
Stock-settled stock units and awards
Schedule of Basic and Dilutive Net Earnings Per Share Reconciliation [Line Items]
Dilutive potential common shares, shares	316			376			369	317

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