Debt (Details) - USD ($) $ in Thousands	May 31, 2021	Feb. 28, 2021
Debt Instrument [Line Items]
Total debt, gross	$ 186,000	$ 179,000
Unamortized debt issuance costs	(565)	(581)
Total debt, net	185,435	178,419
Debt due within one year	0	0
Debt due after one year, net	185,435	178,419
Senior Notes \| 2020 Senior Notes
Debt Instrument [Line Items]
Total debt, gross	150,000	150,000
Revolving Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Total debt, gross	$ 36,000	$ 29,000

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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