Revenue Recognition Product and Services (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Net revenue	$ 785.3	$ 690.9	$ 1,558.6	$ 1,346.6
Equipment
Disaggregation of Revenue [Line Items]
Net revenue	512.3	478.7	1,021.5	946.1
Parts and services
Disaggregation of Revenue [Line Items]
Net revenue	257.7	195.8	506.8	367.9
Other
Disaggregation of Revenue [Line Items]
Net revenue	15.3	16.4	30.3	32.6
Advanced Process Solutions
Disaggregation of Revenue [Line Items]
Net revenue	559.2	430.5	1,127.5	843.3
Advanced Process Solutions | Equipment
Disaggregation of Revenue [Line Items]
Net revenue	375.3	305.5	757.3	610.8
Advanced Process Solutions | Parts and services
Disaggregation of Revenue [Line Items]
Net revenue	183.9	125.0	370.2	232.5
Advanced Process Solutions | Other
Disaggregation of Revenue [Line Items]
Net revenue	0.0	0.0	0.0	0.0
Molding Technology Solutions
Disaggregation of Revenue [Line Items]
Net revenue	226.1	260.4	431.1	503.3
Molding Technology Solutions | Equipment
Disaggregation of Revenue [Line Items]
Net revenue	137.0	173.2	264.2	335.3
Molding Technology Solutions | Parts and services
Disaggregation of Revenue [Line Items]
Net revenue	73.8	70.8	136.6	135.4
Molding Technology Solutions | Other
Disaggregation of Revenue [Line Items]
Net revenue	$ 15.3	$ 16.4	$ 30.3	$ 32.6