Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2019

Goodwill and Other Intangible Assets

Schedule of changes in the carrying amount of goodwill by segment

	Interconnect		Cable
	Products and		Products and
	Assemblies		Solutions		Total
Goodwill at December 31, 2018	$	3,956.7	$	146.5	$	4,103.2
Acquisition-related		347.1		—		347.1
Foreign currency translation		(10.4)		—		(10.4)
Goodwill at March 31, 2019	$	4,293.4	$	146.5	$	4,439.9

Summary of the Company's intangible assets

		March 31, 2019						December 31, 2018
	Weighted	Gross				Net		Gross				Net
	Average	Carrying		Accumulated		Carrying		Carrying		Accumulated		Carrying
	Life (years)	Amount		Amortization		Amount		Amount		Amortization		Amount
Customer relationships	10	$	413.8	$	243.9	$	169.9	$	399.2	$	234.7	$	164.5
Proprietary technology	11		140.9		63.6		77.3		107.5		60.5		47.0
Backlog and other	2		46.5		46.2		0.3		34.0		33.7		0.3
Total intangible assets (definite-lived)	9		601.2		353.7		247.5		540.7		328.9		211.8
Trade names (indefinite-lived)			186.1		—		186.1		186.1		—		186.1
		$	787.3	$	353.7	$	433.6	$	726.8	$	328.9	$	397.9