Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2023

Goodwill and Other Intangible Assets

Schedule of changes in the carrying amount of goodwill by segment

	Harsh				Interconnect
	Environment		Communications		and Sensor
	Solutions		Solutions		Systems		Total
Goodwill at December 31, 2022	$	1,667.1	$	2,908.1	$	1,870.9	$	6,446.1
Acquisition-related		140.5		—		23.3		163.8
Foreign currency translation		(9.2)		(14.2)		(12.0)		(35.4)
Goodwill at September 30, 2023	$	1,798.4	$	2,893.9	$	1,882.2	$	6,574.5

Summary of the Company's amortizable intangible assets

Other than goodwill noted above, the Company’s intangible assets as of September 30, 2023 and December 31, 2022 were as follows:

	September 30, 2023							December 31, 2022
	Weighted	Gross				Net		Gross				Net
	Average	Carrying		Accumulated		Carrying		Carrying		Accumulated		Carrying
	Life (years)	Amount		Amortization		Amount		Amount		Amortization		Amount
Customer relationships	10	$	732.9	$	432.6	$	300.3	$	677.0	$	398.3	$	278.7
Proprietary technology	13		310.0		140.2		169.8		310.0		123.8		186.2
Backlog and other	1		97.2		92.2		5.0		86.9		86.8		0.1
Total intangible assets (definite-lived)	10		1,140.1		665.0		475.1		1,073.9		608.9		465.0
Trade names (indefinite-lived)			269.1				269.1		269.1				269.1
		$	1,409.2	$	665.0	$	744.2	$	1,343.0	$	608.9	$	734.1

Summary of the Company's indefinite-lived intangible assets

Other than goodwill noted above, the Company’s intangible assets as of September 30, 2023 and December 31, 2022 were as follows:

	September 30, 2023							December 31, 2022
	Weighted	Gross				Net		Gross				Net
	Average	Carrying		Accumulated		Carrying		Carrying		Accumulated		Carrying
	Life (years)	Amount		Amortization		Amount		Amount		Amortization		Amount
Customer relationships	10	$	732.9	$	432.6	$	300.3	$	677.0	$	398.3	$	278.7
Proprietary technology	13		310.0		140.2		169.8		310.0		123.8		186.2
Backlog and other	1		97.2		92.2		5.0		86.9		86.8		0.1
Total intangible assets (definite-lived)	10		1,140.1		665.0		475.1		1,073.9		608.9		465.0
Trade names (indefinite-lived)			269.1				269.1		269.1				269.1
		$	1,409.2	$	665.0	$	744.2	$	1,343.0	$	608.9	$	734.1