Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

8. Goodwill and Intangible Assets

As of December 31, the gross and net amounts of acquired intangible assets were as follows:

Goodwill	Advertising and Communications
Balance at December 31, 2013	$	744,333
Acquired goodwill	149,234
Discontinued operations	(27,706		)
Acquisition purchase price adjustments	(3,170		)
Foreign currency translation	(11,318		)
Balance at December 31, 2014	$	851,373
Acquired goodwill	43,654
Acquisition purchase price adjustments	(2,428		)
Foreign currency translation	(22,298		)
Balance at December 31, 2015	$	870,301

	For the Year Ended December 31,
Intangible Assets	2015			2014
Trademarks (indefinite life)	$	17,780		$	17,780
Customer relationships – gross	$	135,919		$	133,409
Less accumulated amortization	(97,604		)	(83,475		)
Customer relationships – net	$	38,315		$	49,934
Other intangibles – gross	$	33,638		$	31,408
Less accumulated amortization	(17,351		)	(13,001		)
Other intangibles – net	$	16,287		$	18,407
Total intangible assets	$	187,337		$	182,597
Less accumulated amortization	(114,955		)	(96,476		)
Total intangible assets – net	$	72,382		$	86,121

Schedule of Intangible Assets and Goodwill

	For the Year Ended December 31,
Intangible Assets	2015			2014
Trademarks (indefinite life)	$	17,780		$	17,780
Customer relationships – gross	$	135,919		$	133,409
Less accumulated amortization	(97,604		)	(83,475		)
Customer relationships – net	$	38,315		$	49,934
Other intangibles – gross	$	33,638		$	31,408
Less accumulated amortization	(17,351		)	(13,001		)
Other intangibles – net	$	16,287		$	18,407
Total intangible assets	$	187,337		$	182,597
Less accumulated amortization	(114,955		)	(96,476		)
Total intangible assets – net	$	72,382		$	86,121

Finite-lived Intangible Assets Amortization Expense

he estimated amortization expense for the five succeeding years is as follows:

Year	Amortization
2016	$	18,532
2017	$	12,363
2018	$	9,530
2019	$	6,796
2020	$	2,791