GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2012

Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill since December 31, 2010 were as follows by reporting segment:

In thousands	United States			International			Total
Balance as of December 31, 2010	$	1,279,758		$	316,006		$	1,595,764
Goodwill acquired during year		232,850			120,750			353,600
Goodwill allocation adjustments		(6,192	)		(4,922	)		(11,114	)
Sale of business		0			(2,887	)		(2,887	)
Changes due to currency fluctuation		0			(21,660	)		(21,660	)
Balance as of December 31, 2011	$	1,506,416		$	407,287		$	1,913,703
Goodwill acquired during year		12,581			9,004			21,585
Goodwill allocation adjustments		(1,535	)		(21,788	)		(23,323	)
Changes due to currency fluctuation		0			12,275			12,275
Balance as of March 31, 2012	$	1,517,462		$	406,778		$	1,924,240

Values of Intangible Assets

As of March 31, 2012 and December 31, 2011, the values of the intangible assets were as follows:

	March 31, 2012						December 31, 2011
In thousands	Gross Carrying Amount		Accumulated Amortization		Net Value		Gross Carrying Amount		Accumulated Amortization		Net Value
Amortizable intangibles:
Covenants not-to-compete	$	10,981	$	4,782	$	6,199	$	10,903	$	4,350	$	6,553
Customer relationships		495,946		41,942		454,004		480,033		36,994		443,039
Tradenames		5,008		517		4,491		2,556		391		2,165
License agreements		720		341		379		720		315		405
Indefinite lived intangibles:
Operating permits		117,394		0		117,394		94,456		0		94,456
Total	$	630,049	$	47,582	$	582,467	$	588,668	$	42,050	$	546,618

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
2012	$	19,880
2013		19,825
2014		19,614
2015		19,378
2016		19,169