GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill since December 31, 2011, by reportable segment, were as follows:

In thousands
	United States			International			Total
Balance as of December 31, 2011	$	1,506,416		$	407,287		$	1,913,703
Goodwill acquired during year	114,931			62,145			177,076
Goodwill allocation adjustments	(5,061		)	(24,859		)	(29,920		)
Sale of business	—			(1,178		)	(1,178		)
Changes due to currency fluctuation	—			5,422			5,422
Balance as of December 31, 2012	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 currency fluctuation	—			(13,316		)	(13,316		)
Balance as of December 31, 2013	$	1,678,077		$	553,505		$	2,231,582

Values of Intangible Assets

As of December 31, 2013 and 2012 the values of other intangible assets were as follows:

In thousands
	2013						2012
	Gross Carrying Amount		Accumulated Amortization		Net Value		Gross Carrying Amount		Accumulated Amortization		Net Value
Amortizable intangibles:
Covenants not-to-compete	$	9,405	$	5,366	$	4,039	$	10,993	$	5,843	$	5,150
Customer relationships	670,889		81,271		589,618		602,095		57,236		544,859
Tradenames	5,283		1,031		4,252		4,922		712		4,210
License agreements	611		416		195		720		420		300
Other	91		14		77		89		4		85
Indefinite lived intangibles:
Operating permits	116,054		—		116,054		112,867		—		112,867
Tradenames	5,800		—		5,800		—		—		—
Total	$	808,133	$	88,098	$	720,035	$	731,686	$	64,215	$	667,471

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	$	29,087
2015	28,895
2016	28,548
2017	28,402
2018	28,072