Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amount of our goodwill are as follows (dollars in millions):

	Goodwill
Balance at January 1, 2022	$	923.5
Acquisitions (a)		(0.4	)
Balance at March 31, 2022	$	923.1

(a)During the three months ended March 31, 2022, the Company recorded a $0.4 million adjustment to decrease the goodwill balance for the Company's December 2021 acquisition of Advanced Packaging.

Components of Intangible Assets

The weighted average remaining useful life, gross carrying amount, and accumulated amortization of our intangible assets were as follows (dollars in millions):

	March 31, 2022						December 31, 2021
	Weighted Average Remaining Useful Life (in Years)		Gross Carrying Amount		Accumulated Amortization		Weighted Average Remaining Useful Life (in Years)		Gross Carrying Amount		Accumulated Amortization
Customer relationships		8.3	$	551.1	$	264.5		8.5	$	551.1	$	254.9
Trademarks and trade names		8.3		37.6		26.1		8.4		37.6		25.5
Other		2.2		4.4		4.3		2.2		4.4		4.3
Total intangible assets (excluding goodwill)		8.3	$	593.1	$	294.9		8.5	$	593.1	$	284.7