Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Stockholders' Equity (Parenthetical)

v3.21.2
Consolidated Statements of Stockholders' Equity (Parenthetical) - USD ($)
$ in Millions
3 Months Ended
Aug. 31, 2021
Aug. 31, 2020
Unrealized (losses) gains on securities, tax $ 0.1 $ 4.2
Reclassification adjustment for realized gains on securities, tax   $ 0.1
Cash dividends declared, per share $ 0.66 $ 0.62
Authorized In May 2019 [Member]    
Approved repurchase amount $ 400.0 $ 400.0
Expiration date May 31, 2022 May 31, 2022
Authorized In July 2021 [Member]    
Approved repurchase amount $ 400.0  
Expiration date Jan. 31, 2024