Stock And Stock-Based Incentive Plans (Stock-Settled Activity) (Details) - Stock-Settled Market Stock Units - $ / shares	12 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding at beginning of year, Number of Shares or Units	393,000
Stock units granted, Number of Units	140,743	82,061	199,916
Stock units vested and converted, Number of Units	(123,000)
Stock units cancelled, Number of Units	(7,000)
Outstanding at end of year, number of shares or Units	404,000	393,000
Outstanding as of beginning of year, Weighted Average Grant Date Fair Value	$ 112.17
Stock units granted, weighted average grant date fair value	125.37	$ 178.15	$ 93.82
Stock units vested and converted, Weighted Average Grant Date Fair Value	98.76
Stock units cancelled, Weighted Average Grant Date Fair Value	127.97
Outstanding as of end of year, Weighted Average Grant Date Fair Value	$ 120.61	$ 112.17