Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Goodwill

Changes in goodwill during the six months ended June 30, 2017 are as follows:

(In thousands)	Goodwill
Balance at January 1, 2017	$	333,276
Currency translation	8,649
Balance at June 30, 2017	$	341,925

Changes in Intangible Assets, Net of Accumulated Amortization

Changes in intangible assets, net of accumulated amortization during the six months ended June 30, 2017 are as follows:

(In thousands)	Intangible Assets
Net balance at January 1, 2017	$	77,015
Amortization expense	(2,267		)
Currency translation	1,075
Balance at June 30, 2017	$	75,823