Leases (Weighted Average Remaining Lease term and Discount Rate) (Details)	Feb. 28, 2021	Feb. 29, 2020
Leases [Abstract]
Operating Lease, Weighted Average Remaining Lease Term	4 years 8 months 12 days	5 years 6 months
Finance Lease, Weighted Average Remaining Lease Term	10 months 24 days	1 year 3 months 18 days
Operating Lease, Weighted Average Discount Rate, Percent	3.40%	3.60%
Finance Lease, Weighted Average Discount Rate, Percent	2.50%	2.20%