Goodwill and Intangible Assets

6 Months Ended

Jun. 30, 2019

Goodwill and Intangible Assets

Goodwill and Intangible Assets

9.    Goodwill and Intangible Assets

The following table sets forth the changes in the carrying amount of goodwill for the three months ended June 30, 2019 (dollars in millions):

Balance at December 31, 2018	$	275.7
Current period additions		9.3
Current period adjustments		0.7
Foreign currency effect		(1.0)
Balance at June 30, 2019	$	284.7

The following is a summary of intangible assets, excluding goodwill (dollars in millions):

	June 30, 2019						December 31, 2018
	Gross						Gross
	Carrying		Accumulated		Net Carrying		Carrying		Accumulated		Net Carrying
	Amount		Amortization		Amount		Amount		Amortization		Amount
Existing technology and related patents	$	295.5	$	(169.4)	$	126.1	$	272.6	$	(160.5)	$	112.1
Customer relationships		131.7		(23.2)		108.5		112.0		(18.1)		93.9
Non compete contracts		1.8		(1.8)		—		1.8		(1.8)		—
Trade names		13.4		(2.1)		11.3		11.6		(1.6)		10.0
Other		5.5		(5.1)		0.4		5.1		(2.4)		2.7
Intangible assets	$	447.9	$	(201.6)	$	246.3	$	403.1	$	(184.4)	$	218.7

For the three months ended June 30, 2019 and 2018, the Company recorded amortization expense of $9.9 million and $7.8 million, respectively, related to intangible assets subject to amortization. For the six months ended June 30, 2019 and 2018, the Company recorded amortization expense of $20.0 million and $14.6 million, respectively, related to intangible assets subject to amortization.