Restructuring and Other Charges (Details) - USD ($)	3 Months Ended			6 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Oct. 31, 2022	Jan. 31, 2024	Jan. 31, 2023
Restructuring Cost and Reserve
Restructuring charges	$ 0	$ 9,300,000	$ 7,600,000	$ 0	$ 16,900,000
Severance costs		3,100,000	4,200,000
Other restructuring costs		1,400,000	$ 3,400,000
Lower-margin customer program		4,800,000
Cost of Sales
Restructuring Cost and Reserve
Restructuring charges		1,500,000
Selling, General and Administrative Expenses
Restructuring Cost and Reserve
Restructuring charges		$ 7,800,000