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Restructuring (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Restructuring (Details) - USD ($) $ in Millions	Jan. 31, 2021	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Restructuring Cost and Reserve
Restructuring charges		$ 21.8
Severance costs		15.3
Lower Margin Customer Programs
Restructuring Cost and Reserve
Business exit cost		6.5
Cost of Sales
Restructuring Cost and Reserve
Restructuring charges			$ 2.9	$ 5.8
Operating Expense
Restructuring Cost and Reserve
Restructuring charges		$ 18.9		$ 9.0
Employee Severance
Restructuring Cost and Reserve
Restructuring charges	$ 14.8