Income Taxes - Provision of Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2026	Feb. 28, 2025	Feb. 29, 2024
Income (loss) before income taxes:
Domestic	$ 412,281	$ 165,822	$ 123,955
Foreign	8,034	4,861	6,148
Income before income taxes	420,315	170,683	130,103
Current provision:
Federal	55,957	28,660	19,839
Foreign	2,206	1,738	2,189
State and local	12,104	3,350	1,716
Total current provision for income taxes	70,267	33,748	23,744
Deferred provision (benefit):
Federal	27,094	7,123	3,920
Foreign	494	(340)	(316)
State and local	5,200	1,319	1,148
Total deferred provision for income taxes	32,788	8,102	4,752
Total provision for income taxes	$ 103,055	$ 41,850	$ 28,496