Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2026

Goodwill and Other Intangible Assets

Schedule of changes in the carrying amount of goodwill by segment

			Harsh		Interconnect
	Communications		Environment		and Sensor
	Solutions		Solutions		Systems		Total
Goodwill at December 31, 2025	$	3,858.6	$	4,270.2	$	2,446.6	$	10,575.4
Acquisition-related		6,983.5		3.9		1.3		6,988.7
Foreign currency translation		(1.5)		(5.0)		(14.7)		(21.2)
Goodwill at March 31, 2026	$	10,840.6	$	4,269.1	$	2,433.2	$	17,542.9

Summary of the Company's amortizable intangible assets

Other than goodwill noted above, the Company’s intangible assets as of March 31, 2026 and December 31, 2025 were as follows:

	March 31, 2026							December 31, 2025
	Weighted	Gross				Net		Gross				Net
	Average	Carrying		Accumulated		Carrying		Carrying		Accumulated		Carrying
	Life (years)	Amount		Amortization		Amount		Amount		Amortization		Amount
Customer relationships	14	$	3,049.9	$	682.1	$	2,367.8	$	1,841.2	$	635.1	$	1,206.1
Proprietary technology	14		2,419.7		273.1		2,146.6		963.9		230.2		733.7
Trade names (1)	22		603.3		9.2		594.1		11.3		2.2		9.1
Backlog and other (1)	1		252.0		228.5		23.5		205.1		181.7		23.4
Total intangible assets (definite-lived)	14		6,324.9		1,192.9		5,132.0		3,021.5		1,049.2		1,972.3
Trade names (indefinite-lived)			269.1				269.1		269.1				269.1
Total		$	6,594.0	$	1,192.9	$	5,401.1	$	3,290.6	$	1,049.2	$	2,241.4

(1) Certain prior period amounts have been reclassified to conform to the current period presentation.

Summary of the Company's indefinite-lived intangible assets

Other than goodwill noted above, the Company’s intangible assets as of March 31, 2026 and December 31, 2025 were as follows:

	March 31, 2026							December 31, 2025
	Weighted	Gross				Net		Gross				Net
	Average	Carrying		Accumulated		Carrying		Carrying		Accumulated		Carrying
	Life (years)	Amount		Amortization		Amount		Amount		Amortization		Amount
Customer relationships	14	$	3,049.9	$	682.1	$	2,367.8	$	1,841.2	$	635.1	$	1,206.1
Proprietary technology	14		2,419.7		273.1		2,146.6		963.9		230.2		733.7
Trade names (1)	22		603.3		9.2		594.1		11.3		2.2		9.1
Backlog and other (1)	1		252.0		228.5		23.5		205.1		181.7		23.4
Total intangible assets (definite-lived)	14		6,324.9		1,192.9		5,132.0		3,021.5		1,049.2		1,972.3
Trade names (indefinite-lived)			269.1				269.1		269.1				269.1
Total		$	6,594.0	$	1,192.9	$	5,401.1	$	3,290.6	$	1,049.2	$	2,241.4

(1) Certain prior period amounts have been reclassified to conform to the current period presentation.