GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

9 Months Ended

Sep. 30, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

The changes in the carrying amount of goodwill since January 1, 2013, by reportable segment, were as follows:



In thousands
	United States			International			Total
Balance as of January 1, 2013	$	1,616,286		$	448,817		$	2,065,103
Goodwill acquired during year	57,250			116,534			173,784
Purchase accounting allocation adjustments	4,541			1,470			6,011
Changes due to foreign currency fluctuations	—			(13,316		)	(13,316		)
Balance as of December 31, 2013	1,678,077			553,505			2,231,582
Goodwill acquired during year	180,990			43,300			224,290
Purchase accounting allocation adjustments	(4,825		)	(17,074		)	(21,899		)
Changes due to foreign currency fluctuations	—			(18,763		)	(18,763		)
Balance as of September 30, 2014	$	1,854,242		$	560,968		$	2,415,210

Values of Intangible Assets

As of September 30, 2014 and December 31, 2013, the values of other intangible assets were as follows:



In thousands
	September 30, 2014						December 31, 2013
	Gross Carrying Amount		Accumulated Amortization		Net Value		Gross Carrying Amount		Accumulated Amortization		Net Value
Amortizable intangibles:
Covenants not-to-compete	$	8,548	$	5,459	$	3,089	$	9,405	$	5,366	$	4,039
Customer relationships	749,903		101,927		647,976		670,889		81,271		589,618
Tradenames	5,235		1,234		4,001		5,283		1,031		4,252
Technology	611		495		116		611		416		195
Other	555		20		535		91		14		77
Indefinite lived intangibles:
Operating permits	249,411		—		249,411		116,054		—		116,054
Tradenames	5,800		—		5,800		5,800		—		5,800
Total	$	1,020,063	$	109,135	$	910,928	$	808,133	$	88,098	$	720,035

Estimated Amortization Expense

The estimated amortization expense for each of the next five years, assuming no additional amortizable intangible assets, is as follows for the years ended December 31:



In thousands
2014	$	32,832
2015	35,043
2016	34,698
2017	34,553
2018	34,223