Consolidated Statements of Shareholders' Equity Statement - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]
BALANCE, SHARES at Feb. 29, 2024		157,612,000
BALANCE at Feb. 29, 2024	$ 6,073,740	$ 78,806	$ 1,808,746	$ 4,126,909	$ 59,279
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	152,440			152,440
Other Comprehensive Income (Loss), Net of Tax	2,399				2,399
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	36,708		36,708
Stock Repurchased and Retired During Period, Shares		(1,446,000)
Stock Repurchased and Retired During Period, Value	(104,889)	$ (723)	(17,615)	(86,551)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		138,000
Stock Issued During Period, Value, Stock Options Exercised	8,209	$ 69	8,140
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		49,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(1,737)	$ 24	(1,761)
BALANCE, SHARES at May. 31, 2024		156,353,000
BALANCE at May. 31, 2024	6,166,870	$ 78,176	1,834,218	4,192,798	61,678
BALANCE, SHARES at Feb. 29, 2024		157,612,000
BALANCE at Feb. 29, 2024	6,073,740	$ 78,806	1,808,746	4,126,909	59,279
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	285,249
Other Comprehensive Income (Loss), Net of Tax	(50,222)
BALANCE, SHARES at Aug. 31, 2024		155,332,000
BALANCE at Aug. 31, 2024	6,179,609	$ 77,666	1,856,385	4,236,501	9,057
BALANCE, SHARES at May. 31, 2024		156,353,000
BALANCE at May. 31, 2024	6,166,870	$ 78,176	1,834,218	4,192,798	61,678
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	132,809			132,809
Other Comprehensive Income (Loss), Net of Tax	(52,621)				(52,621)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	17,328		17,328
Stock Repurchased and Retired During Period, Shares		(1,376,000)
Stock Repurchased and Retired During Period, Value	(106,853)	$ (688)	(17,059)	(89,106)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		347,000
Stock Issued During Period, Value, Stock Options Exercised	22,087	$ 173	21,914
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		8,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(11)	$ 5	(16)
BALANCE, SHARES at Aug. 31, 2024		155,332,000
BALANCE at Aug. 31, 2024	$ 6,179,609	$ 77,666	1,856,385	4,236,501	9,057
BALANCE, SHARES at Feb. 28, 2025	153,319,678	153,320,000
BALANCE at Feb. 28, 2025	$ 6,242,988	$ 76,660	1,891,012	4,272,236	3,080
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	210,381			210,381
Other Comprehensive Income (Loss), Net of Tax	(11,326)				(11,326)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	41,114		41,114
Stock Repurchased and Retired During Period, Shares		(2,952,000)
Stock Repurchased and Retired During Period, Value	(201,653)	$ (1,476)	(38,421)	(161,756)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		132,000
Stock Issued During Period, Value, Stock Options Exercised	8,329	$ 66	8,263
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		82,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	(2,924)	$ 41	(2,965)
BALANCE, SHARES at May. 31, 2025		150,582,000
BALANCE at May. 31, 2025	$ 6,286,909	$ 75,291	1,899,003	4,320,861	(8,246)
BALANCE, SHARES at Feb. 28, 2025	153,319,678	153,320,000
BALANCE at Feb. 28, 2025	$ 6,242,988	$ 76,660	1,891,012	4,272,236	3,080
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	305,759
Other Comprehensive Income (Loss), Net of Tax	$ (24,386)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	(132,000)
BALANCE, SHARES at Aug. 31, 2025	147,673,338	147,673,000
BALANCE at Aug. 31, 2025	$ 6,200,522	$ 73,837	1,873,377	4,274,614	(21,306)
BALANCE, SHARES at May. 31, 2025		150,582,000
BALANCE at May. 31, 2025	6,286,909	$ 75,291	1,899,003	4,320,861	(8,246)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	95,378			95,378
Other Comprehensive Income (Loss), Net of Tax	(13,060)				(13,060)
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	13,214		13,214
Stock Repurchased and Retired During Period, Shares		(2,921,000)
Stock Repurchased and Retired During Period, Value	(181,858)	$ (1,460)	(38,773)	(141,625)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		0
Stock Issued During Period, Value, Stock Options Exercised	20	$ 0	20
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		12,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	$ (81)	$ 6	(87)
BALANCE, SHARES at Aug. 31, 2025	147,673,338	147,673,000
BALANCE at Aug. 31, 2025	$ 6,200,522	$ 73,837	$ 1,873,377	$ 4,274,614	$ (21,306)