Goodwill And Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in the carrying amount of goodwill by segment

The changes in the carrying amount of goodwill by segment were as follows:

(dollars in millions)	Electronics		Industrial & Specialty			Total
Balance at December 31, 2018	$	1,226.7	$	955.9	(1)	$	2,182.6
Acquisition	7.6		—			7.6
Foreign currency translation and other	(10.9)		0.3			(10.6)
Balance at December 31, 2019	1,223.4		956.2			2,179.6
Acquisition	—		6.8			6.8
Purchase accounting adjustments (2)	(1.6)		—			(1.6)
Foreign currency translation and other	52.2		15.7			67.9
Balance at December 31, 2020	$	1,274.0	$	978.7		$	2,252.7

(1) Includes accumulated impairment losses of $46.6 million.

(2) During the second quarter of 2020, the Company recorded a step-up of fixed assets of $1.4 million related to the Kester Acquisition.

Schedule of finite-lived intangible assets subject to amortization

Intangible assets subject to amortization were as follows:

	December 31, 2020						December 31, 2019
(dollars in millions)	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
Customer relationships	$	984.3	$	(435.4)	$	548.9	$	959.1	$	(351.4)	$	607.7
Developed technology	400.0		(241.5)		158.5		380.5		(194.8)		185.7
Trade names	91.8		(11.3)		80.5		51.5		(4.9)		46.6
Other	1.7		(1.7)		—		1.6		(1.6)		—
Total	$	1,477.8	$	(689.9)	$	787.9	$	1,392.7	$	(552.7)	$	840.0

Schedule of estimated future amortization of intangible assets

Estimated future amortization of intangible assets for each of the next five years is as follows:

(dollars in millions)	Amortization Expense
2021	$	116.3
2022	102.7
2023	100.2
2024	90.2
2025	83.6