GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2011

Changes in Carrying Amount of Goodwill

“International”, both of which have goodwill. The changes in the carrying amount of goodwill for the years ended December 31, 2011 and 2010 were as follows:

In thousands
	United States			International			Total
Balance as of December 31, 2009	$	1,153,149		$	240,942		$	1,394,091
Goodwill acquired during year		125,272			87,810			213,082
Goodwill allocation adjustments		3,682			(13,761	)		(10,079	)
Sale of assets		(2,345	)		0			(2,345	)
Changes due to currency fluctuation		0			1,015			1,015
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 assets		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

Value of Intangible Assets

As of December 31, the values of the intangible assets were as follows:

In thousands
	2011						2010
	Gross Carrying Amount		Accumulated Amortization		Net Value		Gross Carrying Amount		Accumulated Amortization		Net Value
Amortizable intangibles:
Covenants not-to-compete	$	10,903	$	4,350	$	6,553	$	10,402	$	2,952	$	7,450
Customer relationships		480,033		36,994		443,039		304,175		23,177		280,998
Tradenames		2,556		391		2,165		1,200		253		947
License agreements		720		315		405		766		211		555
Other		0		0		0		1,801		1,801		0
Indefinite lived intangibles:
Operating permits		94,456		0		94,456		85,224		0		85,224
Total	$	588,668	$	42,050	$	546,618	$	403,568	$	28,394	$	375,174

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	$	19,082
2013		19,009
2014		18,765
2015		18,595
2016		18,313