Summary Of Significant Accounting Policies (Schedule Of Estimated Useful Lives) (Details)	12 Months Ended
	Feb. 29, 2020
Buildings
Property, Plant and Equipment [Line Items]
Estimated useful life average, years	25 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Estimated useful life average, years	15 years
Minimum | Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Estimated useful life average, years	3 years
Maximum | Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Estimated useful life average, years	15 years