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Business Segments and International Operations - Narrative (Details)	3 Months Ended		12 Months Ended
	Feb. 28, 2021 customer segment	Feb. 29, 2020 customer	Nov. 30, 2020 customer
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Number of reportable segments | segment	3
Revenue Concentration Risk
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Number of individual customer	0	0
Account Receivable Concentration Risk
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Number of individual customer	0		0
Geographic Concentration Risk
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Number of individual customer	0		0

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Number of Individual Customer

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8672-108599

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