XML 56 R45.htm IDEA: XBRL DOCUMENT v3.21.4
Fair Value Measurements - Additional Information (Detail) - USD ($)
$ in Millions
6 Months Ended
Nov. 30, 2021
Nov. 30, 2020
Fair Value Disclosures [Abstract]    
Settlements of contingent consideration obligations $ 5.7 $ 2.8
Increase in accrual related to fair value adjustments $ 2.5 $ 2.7