Revenue - Revenue and Deferred Revenue Narratives (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2020	Aug. 31, 2019	Feb. 29, 2020	Feb. 28, 2019
Revenue
Contract with customer liability revenue recognized			$ 23,725	$ 19,225	$ 22,407	$ 9,637
Revenue related to performance obligations satisfied in prior periods	$ 1,535	$ 689	$ 3,014	$ 1,084	$ 4,479	$ 4,410

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045

Name:	us-gaap_ContractWithCustomerLiabilityRevenueRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration