Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill

The following table summarizes the changes in the carrying amount of goodwill through June 30, 2015:

	Domestic Segment		International Segment			Total
Carrying amount of goodwill, December 31, 2014	$	377,089	$	46,187		$	423,276
Currency translation adjustments	—		(2,289		)	(2,289		)
Acquisitions (see Note 3)	773		—			773
Carrying amount of goodwill, June 30, 2015	$	377,862	$	43,898		$	421,760

Intangible Assets

Intangible assets at June 30, 2015, and December 31, 2014, were as follows:

	June 30, 2015						December 31, 2014
	Customer Relationships			Other Intangibles			Customer Relationships			Other Intangibles
Gross intangible assets	$	123,222		$	2,695		$	125,448		$	3,405
Accumulated amortization	(24,905		)	(108		)	(19,773		)	(487		)
Net intangible assets	$	98,317		$	2,587		$	105,675		$	2,918