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Summary of Significant Accounting Policies and Related Information - Receivables (Details) - Gross trade receivable - Customer concentration risk	12 Months Ended
	Feb. 29, 2020	Feb. 28, 2019
Customer One
Receivables
Concentration risk percentage	18.00%	17.00%
Customer Two
Receivables
Concentration risk percentage	14.00%	12.00%
Customer Three
Receivables
Concentration risk percentage	13.00%	12.00%
Five top customers
Receivables
Concentration risk percentage	54.00%	48.00%

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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