GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

6 Months Ended

Jun. 30, 2011

Changes in Carrying Amount of Goodwill

Countries”, both of which have goodwill. The changes in the carrying amount of goodwill since December 31, 2010 were as follows by reporting segment:

In thousands
	United States			Foreign Countries			Total
Balance as of December 31, 2009	$	1,153,149		$	240,942		$	1,394,091
Goodwill acquired during year		128,954			74,049			203,003
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 on 2011 acquisitions		214,318			18,421			232,739
Changes in goodwill on 2010 acquisitions		2,326			(5,144	)		(2,818	)
Changes due to currency fluctuation		0			13,914			13,914
Balance as of June 30, 2011	$	1,496,402		$	343,197		$	1,839,599

Value of Amortizable Intangible Assets

As of June 30, 2011 and December 31, 2010, the values of the amortizable intangible assets were as follows:

In thousands
	June 30, 2011						December 31, 2010
	Gross Carrying Amount		Accumulated Amortization		Net Value		Gross Carrying Amount		Accumulated Amortization		Net Value
Covenants not-to-compete	$	10,855	$	3,712	$	7,143	$	10,402	$	2,952	$	7,450
Customer relationships		373,856		29,641		344,215		304,175		23,177		280,998
Tradenames		1,200		269		931		1,200		253		947
License agreements		720		262		458		766		211		555
Other		1,746		1,746		0		1,801		1,801		0
Total	$	388,377	$	35,630	$	352,747	$	318,344	$	28,394	$	289,950

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
2011	$	13,957
2012		14,379
2013		14,305
2014		14,064
2015		13,806