Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Stockholders' Equity (Parenthetical)

v3.22.4
Consolidated Statements of Stockholders' Equity (Parenthetical) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Nov. 30, 2022
Nov. 30, 2021
Nov. 30, 2022
Nov. 30, 2021
Unrealized losses on securities, tax $ 10.3 $ 10.5 $ 20.0 $ 10.6
Cash dividends declared, per share $ 0.79 $ 0.66 $ 1.58 $ 1.32