Finance Receivables (Detail Textuals 1) - USD ($) $ in Millions		12 Months Ended
	Feb. 28, 2019	Mar. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maximum criteria for receivable to be a performing account		61 days
Percentage of more than payment contractually for delinquent		25.00%
Minimum criteria for receivable to be a non-performing account		61 days
Increase in provision for credit losses		$ 4.9
Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Criteria for receivable to be delinquent account	181 days
Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Criteria for receivable to be delinquent account	121 days