Reconciliation of Numerator and Denominator of Basic and Diluted Earnings Per Share (Parenthetical) (Detail) - shares shares in Thousands |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Nov. 30, 2021 |
Nov. 30, 2020 |
Nov. 30, 2021 |
Nov. 30, 2020 |
|
Restricted shares | ||||
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] | ||||
Shares excluded from the calculation of diluted earnings per share | 0 | 225,500 | 0 | 339,550 |
Stock appreciation rights (SARs) | ||||
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] | ||||
Shares excluded from the calculation of diluted earnings per share | 660,000 | 360,000 | 660,000 | 360,000 |