Annual report pursuant to Section 13 and 15(d)

Income Taxes - Reconciliation of Income Tax Provisions (Details)

v3.21.1
Income Taxes - Reconciliation of Income Tax Provisions (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Feb. 28, 2021
Feb. 29, 2020
Feb. 28, 2021
Feb. 29, 2020
Feb. 28, 2019
Effective Income Tax Rate Reconciliation, Amount          
Income tax provision (benefit) at statutory rate     $ 534.0 $ (198.5) $ 870.5
State and local income taxes, net of federal income tax benefit     39.0 (82.3) 81.3
Net income tax provision (benefit) from legislative changes     10.9 (547.4)  
Net income tax provision (benefit) from legislative changes     0.0 0.0 (37.6)
Earnings taxed at other than U.S. statutory rate     (84.4) (46.5) (81.0)
Excess tax benefits from stock-based compensation awards     (29.4) (56.2) (82.9)
Net income tax provision (benefit) recognized for adjustment to valuation allowance $ 4.8 $ 25.0 27.1 (32.8) (74.1)
Miscellaneous items, net     13.9 (2.9) 9.7
Income tax provision (benefit)     $ 511.1 $ (966.6) $ 685.9
Effective Income Tax Rate Reconciliation, % of Pretax Income          
Income tax provision (benefit) at statutory rate     21.00% 21.00% 21.00%
State and local income taxes, net of federal income tax benefit     1.50% 8.70% 2.00%
Net income tax provision (benefit) from legislative changes     0.40% 57.90%  
Net income tax provision (benefit) from legislative changes         (0.90%)
Earnings taxed at other than U.S. statutory rate     (3.20%) 5.00% (1.90%)
Excess tax benefits from stock-based compensation awards     (1.20%) 5.90% (2.00%)
Net income tax provision (benefit) recognized for adjustment to valuation allowance     1.10% 3.50% (1.80%)
Miscellaneous items, net     0.50% 0.30% 0.10%
Effective tax rate     20.10% 102.30% 16.50%