Description of Business and Summary of Significant Accounting Policies - Accounts Receivable - Additional Information (Details) $ in Thousands	12 Months Ended
	Feb. 29, 2020 USD ($) Customer Rate	Feb. 28, 2019 USD ($) Rate	Feb. 28, 2018 USD ($)
Proceeds from sale of continuing operations	$ 79,000	$ 105,000	$ 142,000
Interest and Bank Charges [Member]
Fees incurred in connection with the agreements	$ 400	$ 900	$ 1,000
Accounts Receivable [Member]
Concentration risk, percentage | Rate	24.00%	24.00%
Customer [Member] | Accounts Receivable [Member]
Number of largest customer | Customer	5
Concentration risk, percentage	24.00%
Minimum [Member]
Due date of AR, number of days	30 days
Maximum [Member]
Due date of AR, number of days	60 days