XML 35 R23.htm IDEA: XBRL DOCUMENT v3.22.2.2
Discontinued Operations - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]    
Income/(loss) from discontinued operations, net of tax $ 0 $ 0