GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill

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
Goodwill 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	12,600			4,125			16,725
Goodwill allocation adjustments	(273		)	(5,602		)	(5,875		)
Changes due to foreign currency fluctuations	—			(1,835		)	(1,835		)
Balance as of March 31, 2014	$	1,690,404		$	550,193		$	2,240,597

Values of Intangible Assets

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

In thousands
	March 31, 2014						December 31, 2013
	Gross Carrying Amount		Accumulated Amortization		Net Value		Gross Carrying Amount		Accumulated Amortization		Net Value
Amortizable intangibles:
Covenants not-to-compete	$	9,406	$	5,693	$	3,713	$	9,405	$	5,366	$	4,039
Customer relationships	677,856		88,192		589,664		670,889		81,271		589,618
Tradenames	5,286		1,108		4,178		5,283		1,031		4,252
License agreements	611		442		169		611		416		195
Other	334		16		318		91		14		77
Indefinite lived intangibles:
Operating permits	121,136		—		121,136		116,054		—		116,054
Tradenames	5,800		—		5,800		5,800		—		5,800
Total	$	820,429	$	95,451	$	724,978	$	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	$	29,744
2015	29,445
2016	29,223
2017	29,038
2018	28,619