Restructuring Restructuring (Tables)

12 Months Ended

Sep. 30, 2025

Restructuring and Related Activities [Abstract]

Restructuring charges by segment

The following schedule details the restructuring charges by reportable operating segment and the classification of those charges on the Consolidated Statements of Operations.

	Year Ended September 30,
	2025						2024						2023
	Cost of goods sold		Selling, general and administrative expenses		Total		Cost of goods sold		Selling, general and administrative expenses		Total		Cost of goods sold		Selling, general and administrative expenses		Total
Advanced Process Solutions	$	8.3	$	5.8	$	14.1	$	0.3	$	1.7	$	2.0	$	(0.1)	$	1.3	$	1.2
Molding Technology Solutions	1.2		1.8		3.0		14.3		5.1		19.4		2.1		0.9		3.0
Corporate	—		0.6		0.6		—		—		—		—		0.2		0.2
Total	$	9.5	$	8.2	$	17.7	$	14.6	$	6.8	$	21.4	$	2.0	$	2.4	$	4.4