Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Goodwill

Changes in goodwill during the nine months ended September 30, 2017 are as follows:

(In thousands)	Goodwill
Balance at January 1, 2017	$	333,276
Additions (Note 14)	71,721
Currency translation	12,952
Balance at September 30, 2017	$	417,949

Changes in Intangible Assets, Net of Accumulated Amortization

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

(In thousands)	Intangible Assets
Net balance at January 1, 2017	$	77,015
Additions (Note 14)	110,680
Amortization expense	(6,682		)
Currency translation	4,343
Net balance at September 30, 2017	$	185,356