Reconciliation of Numerator and Denominator of Basic and Diluted Earnings Per Share (Parenthetical) (Detail) - shares shares in Thousands |
3 Months Ended | |
---|---|---|
Aug. 31, 2020 |
Aug. 31, 2019 |
|
Restricted shares | ||
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] | ||
Shares excluded from the calculation of diluted earnings per share | 225,500 | 178,000 |
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 | 360,000 | 790,000 |