Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Rollforward of Goodwill

The following is a rollforward of the Company’s goodwill by segment ($ in millions):

	Specialty Products & Technologies						Equipment & Consumables						Total
	Gross		Accumulated Impairment Charges		Total		Gross		Accumulated Impairment Charges		Total		Gross		Accumulated Impairment Charges		Total
Balance at December 31, 2024	$	1,953.0	$	(842.3)	$	1,110.7	$	1,481.7	$	(330.5)	$	1,151.2	$	3,434.7	$	(1,172.8)	$	2,261.9
Foreign currency translation	65.1		—		65.1		31.2		—		31.2		96.3		—		96.3
Balance at December 31, 2025	$	2,018.1	$	(842.3)	$	1,175.8	$	1,512.9	$	(330.5)	$	1,182.4	$	3,531.0	$	(1,172.8)	$	2,358.2

Schedule of Acquired Finite-Lived Intangible Assets

The following summarizes the gross carrying value, accumulated amortization and accumulated impairment losses, for each major category of intangible asset ($ in millions):

	As of December 31, 2025
	Gross Carrying Amount		Accumulated Amortization		Accumulated Impairment Losses		Net Carrying Amount
Finite-lived intangibles:
Patents and technology	$	400.7	$	(264.6)	$	(87.2)	$	48.9
Customer relationships and other intangibles	934.0		(800.3)		(5.0)		128.7
Trademarks and trade names	192.1		(104.6)		—		87.5
Total finite-lived intangibles	1,526.8		(1,169.5)		(92.2)		265.1
Indefinite-lived intangibles:
Trademarks and trade names	509.2		—		(147.1)		362.1
Total intangibles	$	2,036.0	$	(1,169.5)	$	(239.3)	$	627.2

	As of December 31, 2024
	Gross Carrying Amount		Accumulated Amortization		Accumulated Impairment Losses		Net Carrying Amount
Finite-lived intangibles:
Patents and technology	$	376.0	$	(235.6)	$	(87.2)	$	53.2
Customer relationships and other intangibles	881.6		(714.9)		(5.0)		161.7
Trademarks and trade names	189.3		(90.9)		—		98.4
Total finite-lived intangibles	1,446.9		(1,041.4)		(92.2)		313.3
Indefinite-lived intangibles:
Trademarks and trade names	483.7		—		(147.1)		336.6
Total intangibles	$	1,930.6	$	(1,041.4)	$	(239.3)	$	649.9

Schedule of Acquired Indefinite-Lived Intangible Assets

The following summarizes the gross carrying value, accumulated amortization and accumulated impairment losses, for each major category of intangible asset ($ in millions):

	As of December 31, 2025
	Gross Carrying Amount		Accumulated Amortization		Accumulated Impairment Losses		Net Carrying Amount
Finite-lived intangibles:
Patents and technology	$	400.7	$	(264.6)	$	(87.2)	$	48.9
Customer relationships and other intangibles	934.0		(800.3)		(5.0)		128.7
Trademarks and trade names	192.1		(104.6)		—		87.5
Total finite-lived intangibles	1,526.8		(1,169.5)		(92.2)		265.1
Indefinite-lived intangibles:
Trademarks and trade names	509.2		—		(147.1)		362.1
Total intangibles	$	2,036.0	$	(1,169.5)	$	(239.3)	$	627.2

	As of December 31, 2024
	Gross Carrying Amount		Accumulated Amortization		Accumulated Impairment Losses		Net Carrying Amount
Finite-lived intangibles:
Patents and technology	$	376.0	$	(235.6)	$	(87.2)	$	53.2
Customer relationships and other intangibles	881.6		(714.9)		(5.0)		161.7
Trademarks and trade names	189.3		(90.9)		—		98.4
Total finite-lived intangibles	1,446.9		(1,041.4)		(92.2)		313.3
Indefinite-lived intangibles:
Trademarks and trade names	483.7		—		(147.1)		336.6
Total intangibles	$	1,930.6	$	(1,041.4)	$	(239.3)	$	649.9

Summary of Intangible Asset Amortization

Based on the intangible assets recorded as of December 31, 2025, amortization expense is estimated as follows for the next five years and thereafter ($ in millions):

Years Ending December 31,
2026	$	63.6
2027	53.0
2028	51.8
2029	20.0
2030	12.2
Thereafter	64.5
	$	265.1