Income Taxes - Reconcilliation of Effective Income Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2026	Feb. 28, 2025	Feb. 29, 2024
Amount
U.S. Federal Statutory Income Tax Rate	$ 88,266
State and Local Income Taxes, Net of Federal Income Tax Effect	15,107
Foreign Tax Effects	472
Effect of Cross-Border Tax Laws	22
Research and development tax credits	(4,588)
Nontaxable or Nondeductible Items	1,587
Changes in Unrecognized Tax Benefits	1,169
Other Adjustments	1,020
Total provision for income taxes	$ 103,055	$ 41,850	$ 28,496
Percent
Statutory federal income tax rate	21.00%	21.00%	21.00%
State Income Taxes, Net of Federal Income Tax Benefit	3.60%	2.30%	1.90%
Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Percent	0.00%
Research and development tax credits	(1.10%)
Nontaxable or Nondeductible Items	0.40%
Permanent Differences	0.20%	1.00%	0.50%
Stock Compensation		(0.50%)	0.10%
Tax Credits		(0.20%)	(1.70%)
Foreign Tax Rate Differential	0.10%	0.20%	0.20%
ASC 740-10 Uncertain Tax Positions	0.30%	0.10%	(1.80%)
Other		0.60%	1.70%
Effective income tax rate	24.50%	24.50%	21.90%