Consolidated Statements Of Shareholders’ Equity - USD ($) $ in Thousands	Total	Common Stock	Capital In Excess Of Par Value	Retained Earnings	Accumulated Other Comprehensive Loss
BALANCE at Feb. 28, 2019	$ 3,357,028	$ 83,739	$ 1,237,153	$ 2,104,146	$ (68,010)
BALANCE, SHARES at Feb. 28, 2019		167,479,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	888,433			888,433
Other comprehensive (loss) income	(82,061)				(82,061)
Share-based compensation expense	48,122		48,122
Repurchases of common stock	(561,657)	$ (3,486)	(54,009)	(504,162)
Repurchase of common stock, shares		(6,971,000)
Exercise of common stock options	124,397	$ 1,207	123,190
Exercise of common stock options, shares		2,413,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(5,387)	$ 81	(5,468)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		160,000
BALANCE at Feb. 29, 2020	3,768,875	$ 81,541	1,348,988	2,488,417	(150,071)
BALANCE, SHARES at Feb. 29, 2020		163,081,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect | Accounting Standards Update 2016-13 [Member]	(153,306)			(153,306)
Net earnings	746,919			746,919
Other comprehensive (loss) income	31,380				31,380
Share-based compensation expense	49,656		49,656
Repurchases of common stock	(216,290)	$ (1,190)	(20,967)	(194,133)
Repurchase of common stock, shares		(2,380,000)
Exercise of common stock options	143,147	$ 1,153	141,994
Exercise of common stock options, shares		2,307,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(5,768)	$ 82	(5,850)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		164,000
BALANCE at Feb. 28, 2021	$ 4,364,613	$ 81,586	1,513,821	2,887,897	(118,691)
BALANCE, SHARES at Feb. 28, 2021	163,172,333	163,172,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	$ 1,151,297			1,151,297
Other comprehensive (loss) income	72,269				72,269
Share-based compensation expense	56,762		56,762
Stock Issued During Period, Value, Acquisitions	90,571	$ 388	90,183
Stock Issued During Period, Shares, Acquisitions		776,000
Repurchases of common stock	(561,625)	$ (2,237)	(44,260)	(515,128)
Repurchase of common stock, shares		(4,475,000)
Exercise of common stock options	79,805	$ 651	79,154
Exercise of common stock options, shares		1,302,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(18,253)	$ 139	(18,392)
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		279,000
BALANCE at Feb. 28, 2022	$ 5,235,439	$ 80,527	$ 1,677,268	$ 3,524,066	$ (46,422)
BALANCE, SHARES at Feb. 28, 2022	161,053,983	161,054,000