Segment Information (Tables)

12 Months Ended

Dec. 31, 2025

Segment Reporting [Abstract]

Segment information

Segment related information is shown below ($ in millions):

	Year Ended December 31, 2025
	Specialty Products & Technologies		Equipment & Consumables		Total
Sales	$	1,752.8	$	966.7	$	2,719.5
Less:
Expenses	1,561.6		808.7		2,370.3
Segment operating profit	$	191.2	$	158.0	$	349.2
Segment operating profit and reconciliation to income before taxes:
Segment operating profit					$	349.2
Corporate and other					(133.1)
Nonoperating other expense, net					(2.3)
Interest expense, net					(36.6)
Income before taxes					$	177.2
Depreciation and amortization
Specialty Products & Technologies					$	86.0
Equipment & Consumables					28.2
Corporate and other					1.8
Total					$	116.0
Capital expenditures, gross
Specialty Products & Technologies					$	28.6
Equipment & Consumables					16.8
Corporate and other					0.9
Total					$	46.3
Identifiable assets
Specialty Products & Technologies					$	2,488.3
Equipment & Consumables					1,942.1
Corporate and other					1,248.6
Total					$	5,679.0

	Year Ended December 31, 2024
	Specialty Products & Technologies		Equipment & Consumables		Total
Sales	$	1,616.4	$	894.2	$	2,510.6
Less:
Expenses	1,526.5		741.9		2,268.4
Segment operating profit	$	89.9	$	152.3	$	242.2
Segment operating profit and reconciliation to loss before taxes:
Segment operating profit					$	242.2
Corporate and other					(1,280.4)
Nonoperating other expense, net					(0.1)
Interest expense, net					(46.4)
Loss before taxes					$	(1,084.7)
Depreciation and amortization
Specialty Products & Technologies					$	85.1
Equipment & Consumables					35.9
Corporate and other					2.1
Total					$	123.1
Capital expenditures, gross
Specialty Products & Technologies					$	20.4
Equipment & Consumables					10.5
Corporate and other					3.2
Total					$	34.1
Identifiable assets
Specialty Products & Technologies					$	2,354.2
Equipment & Consumables					1,884.2
Corporate and other					1,112.1
Total					$	5,350.5

	Year Ended December 31, 2023
	Specialty Products & Technologies		Equipment & Consumables		Total
Sales	$	1,642.4	$	924.1	$	2,566.5
Less:
Expenses	1,410.3		767.8		2,178.1
Segment operating profit	$	232.1	$	156.3	$	388.4
Segment operating profit and reconciliation to loss before taxes:
Segment operating profit					$	388.4
Corporate and other					(356.9)
Nonoperating other expense, net					(23.0)
Interest expense, net					(63.4)
Loss before taxes					$	(54.9)
Depreciation and amortization
Specialty Products & Technologies					$	86.1
Equipment & Consumables					47.2
Corporate and other					2.3
Total					$	135.6
Capital expenditures, gross
Specialty Products & Technologies					$	39.0
Equipment & Consumables					12.3
Corporate and other					1.9
Total					$	53.2

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas

Operations in Geographical Areas:

	Year Ended December 31,
($ in millions)	2025		2024		2023
Sales:
United States	$	1,281.3	$	1,202.9	$	1,209.4
China	194.4		193.5		205.7
All other (each country individually less than 5% of total sales)	1,243.8		1,114.2		1,151.4
Total	$	2,719.5	$	2,510.6	$	2,566.5
Property, plant and equipment, net:	December 31, 2025		December 31, 2024
United States	$	160.5	$	155.6
Sweden	37.7		32.4
Czech Republic	30.4		23.2
China	20.4		21.3
Mexico	14.2		15.8
All other (each country individually less than 5% of total long-lived assets)	33.6		28.7
Total	$	296.8	$	277.0