Income Taxes - Statutory U.S. Federal Income Tax Rate to Company's Effective Tax Rate (Detail)	12 Months Ended
Feb. 28, 2025	Feb. 29, 2024	Feb. 28, 2023
Income Tax Disclosure [Abstract]
Statutory rate	21.00%	21.00%	21.00%
Provision for state income taxes, net of federal income tax benefit	4.50%	4.30%	3.90%
Federal true-up	0.20%	1.80%	1.50%
Stock compensation and Section 162(m) limitation	1.70%	0.90%	0.80%
Total	27.40%	28.00%	27.20%

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for share-based payment arrangement.

+ References

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to revisions of previously reported income tax expense.

+ References

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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