GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

6 Months Ended

Jun. 30, 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	15,435			43,540			58,975
Goodwill allocation adjustments	996			(1,521		)	(525		)
Changes due to currency fluctuation	—			(29,094		)	(29,094		)
Balance as of June 30, 2013	$	1,632,717		$	461,742		$	2,094,459

Values of Intangible Assets

As of June 30, 2013 and December 31, 2012, the values of the intangible assets were as follows:

In thousands
	June 30, 2013						December 31, 2012
	Gross Carrying Amount		Accumulated Amortization		Net Value		Gross Carrying Amount		Accumulated Amortization		Net Value
Amortizable intangibles:
Covenants not-to-compete	$	10,079	$	5,562	$	4,517	$	10,993	$	5,843	$	5,150
Customer relationships	617,581		67,893		549,688		602,095		57,236		544,859
Tradenames	4,885		849		4,036		4,922		712		4,210
License agreements	611		364		247		720		420		300
Other	84		8		76		89		4		85
Indefinite lived intangibles:
Operating permits	114,658		—		114,658		112,867		—		112,867
Total	$	747,898	$	74,676	$	673,222	$	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
2013	$	26,132
2014	26,369
2015	26,084
2016	25,939
2017	25,789