Annual report pursuant to Section 13 and 15(d)

Income Taxes (Components of Provision for Income Taxes) (Details)

v3.21.2
Income Taxes (Components of Provision for Income Taxes) (Details) - USD ($)
$ in Millions
12 Months Ended
May 31, 2021
May 31, 2020
May 31, 2019
Income Taxes [Abstract]      
Federal $ 271.8 $ 265.5 $ 258.2
State 85.9 77.5 70.7
Total current 357.7 343.0 328.9
Federal (13.4) (0.5) 0.7
State (7.6) (3.5) 4.0
Total deferred (21.0) (4.0) 4.7
Income taxes $ 336.7 $ 339.0 $ 333.6