Stock-Based Employee Compensation - Summary of Stock Option Activity (Details) - Long-Term Stock Incentive Plan - $ / shares	12 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Feb. 28, 2022
Number of Options
Balance at beginning of period (in shares)	3,067,962	2,906,342	4,399,807
Granted (in shares)	151,848	479,758	513,829
Exercised (in shares)	(584,302)	(264,025)	(1,925,247)
Forfeited (in shares)	(55,351)	(51,102)	(75,917)
Expired (in shares)	(15,869)	(3,011)	(6,130)
Balance at end of period (in shares)	2,564,288	3,067,962	2,906,342
Exercisable (in shares)	1,702,984	1,747,884	1,410,693
Weighted Average Exercise Price
Balance at beginning of period (in dollars per share)	$ 194.47	$ 178.62	$ 131.89
Granted (in dollars per share)	226.76	254.00	237.85
Exercised (in dollars per share)	160.41	123.55	86.92
Forfeited (in dollars per share)	225.04	218.68	192.96
Expired (in dollars per share)	196.57	189.32	226.46
Balance at end of period (in dollars per share)	203.47	194.47	178.62
Exercisable (in dollars per share)	$ 193.68	$ 179.30	$ 161.53