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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	Feb. 29, 2024	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2021
Income Tax Disclosure [Abstract]
Unrecognized tax benefits, gross	$ 28,817	$ 27,092	$ 24,765	$ 28,997
Unrecognized tax benefits that would impact effective tax rate, if recognized	12,100	10,600	8,500
Accrued interest	5,300	4,000	$ 3,400
Decrease in Unrecognized Tax Benefits is Reasonably Possible	14,000
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards	29,670	$ 35,184
Federal tax credit carryforward [Member]
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards	12,600
State tax credit carryforward [Member]
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards	12,500
Federal NOL carryforward, no expiration [Member]
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards	900
State NOL carryforward [Member]
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards	$ 3,000