Revenue Recognition Product and Services (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Net revenue	$ 773.3	$ 655.7
Equipment
Disaggregation of Revenue [Line Items]
Net revenue	509.2	467.4
Parts and services
Disaggregation of Revenue [Line Items]
Net revenue	249.1	172.1
Other
Disaggregation of Revenue [Line Items]
Net revenue	15.0	16.2
Advanced Process Solutions
Disaggregation of Revenue [Line Items]
Net revenue	568.3	412.8
Advanced Process Solutions | Equipment
Disaggregation of Revenue [Line Items]
Net revenue	382.0	305.3
Advanced Process Solutions | Parts and services
Disaggregation of Revenue [Line Items]
Net revenue	186.3	107.5
Advanced Process Solutions | Other
Disaggregation of Revenue [Line Items]
Net revenue	0.0	0.0
Molding Technology Solutions
Disaggregation of Revenue [Line Items]
Net revenue	205.0	242.9
Molding Technology Solutions | Equipment
Disaggregation of Revenue [Line Items]
Net revenue	127.2	162.1
Molding Technology Solutions | Parts and services
Disaggregation of Revenue [Line Items]
Net revenue	62.8	64.6
Molding Technology Solutions | Other
Disaggregation of Revenue [Line Items]
Net revenue	$ 15.0	$ 16.2