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Divestiture Activities - Additional Information (Detail) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended 24 Months Ended
Jul. 31, 2023
Oct. 31, 2021
Jul. 31, 2023
Apr. 30, 2018
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]        
Proceeds from sale of business $ 0.6      
China JV [Member]        
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]        
Gain (loss) on sale of business   $ 6.2    
Equity interest in joint ventures       10.00%
Proceeds from sale of business 0.6   $ 2.4  
China JV [Member] | Non-Operating Loss        
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]        
Gain (loss) on sale of business $ 0.7