Benefit Plans (Assumptions Used To Determine Net Pension Expense) (Details)	12 Months Ended
	Feb. 29, 2020	Feb. 28, 2019	Feb. 28, 2018
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.20%	4.10%	4.25%
Expected rate of return on plan assets	7.75%	7.75%	7.75%
Restoration Plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.20%	4.10%	4.25%
Expected rate of return on plan assets	0.00%	0.00%	0.00%