Summary of Significant Accounting Policies - Product Warranty Roll-forward (Details) - USD ($) $ in Thousands	12 Months Ended
Feb. 28, 2022	Feb. 28, 2021	Feb. 29, 2020
Movement in Standard Product Warranty Accrual [Roll Forward]
Balance at beginning of period	$ 4,460	$ 3,702	$ 1,751
Warranty costs incurred	(1,136)	(1,865)	(2,118)
Additions charged to income	362	2,623	4,069
Balance at end of period	$ 3,686	$ 4,460	$ 3,702

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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- Definition

Amount of increase in the standard and extended product warranty accrual from warranties issued.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The expense charged against earnings for the period pertaining to standard and extended warranties on the entity's goods and services granted to customers.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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