Restructuring Charges - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2023	Apr. 30, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 4,140	$ 311	$ 44,999	$ 12,057
2023 Restructuring Plan | Minimum
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost	50,000		50,000
2023 Restructuring Plan | Maximum
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost	70,000		70,000
2023 Restructuring Plan | Severance and Termination
Restructuring Cost and Reserve [Line Items]
Restructuring charges	4,100		45,000
Cash payments	36,600		36,800
Employee related restructuring liabilities	$ 8,200		$ 8,200