Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Rollforward and Carrying Value Of Goodwill

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

	Specialty Products & Technologies		Equipment & Consumables		Total
Balance, December 31, 2020	$	2,099.0	$	1,108.4	$	3,207.4
Foreign currency translation	(69.3)		(6.1)		(75.4)
Balance, December 31, 2021	$	2,029.7	$	1,102.3	$	3,132.0

Schedule of Acquired Finite-Lived Intangible Assets by Major Class

The following summarizes the gross carrying value and accumulated amortization for each major category of intangible asset as of December 31 ($ in millions): 

	2021				2020
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Finite-lived intangibles:
Patents and technology	$	313.8	$	(215.3)	$	326.8	$	(205.4)
Customer relationships and other intangibles	907.4		(610.9)		936.0		(573.3)
Trademarks and trade names	216.3		(75.4)		199.1		(65.9)
Total finite-lived intangibles	1,437.5		(901.6)		1,461.9		(844.6)
Indefinite-lived intangibles:
Trademarks and trade names	510.5		—		535.4		—
Total intangibles	$	1,948.0	$	(901.6)	$	1,997.3	$	(844.6)

Schedule of Acquired Indefinite-Lived Intangible Assets by Major Class

The following summarizes the gross carrying value and accumulated amortization for each major category of intangible asset as of December 31 ($ in millions): 

	2021				2020
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Finite-lived intangibles:
Patents and technology	$	313.8	$	(215.3)	$	326.8	$	(205.4)
Customer relationships and other intangibles	907.4		(610.9)		936.0		(573.3)
Trademarks and trade names	216.3		(75.4)		199.1		(65.9)
Total finite-lived intangibles	1,437.5		(901.6)		1,461.9		(844.6)
Indefinite-lived intangibles:
Trademarks and trade names	510.5		—		535.4		—
Total intangibles	$	1,948.0	$	(901.6)	$	1,997.3	$	(844.6)