GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

6 Months Ended

Jun. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

The changes in the carrying amount of goodwill since January 1, 2014, by reportable segment, were as follows:



In thousands
	United States			International			Total
Balance as of January 1, 2014	$	1,671,723		$	559,859		$	2,231,582
Goodwill acquired during year	169,754			88,263			258,017
Purchase accounting allocation adjustments	(4,825		)	(17,595		)	(22,420		)
Changes due to foreign currency fluctuations	(2,337		)	(46,010		)	(48,347		)
Balance as of December 31, 2014	1,834,315			584,517			2,418,832
Goodwill acquired during year	33,369			24,442			57,811
Purchase accounting allocation adjustments	(956		)	(400		)	(1,356		)
Goodwill other changes	—			(440		)	(440		)
Changes due to foreign currency fluctuations	(1,913		)	(18,842		)	(20,755		)
Balance as of June 30, 2015	$	1,864,815		$	589,277		$	2,454,092

Values of Intangible Assets

As of June 30, 2015 and December 31, 2014, the values of other intangible assets were as follows:



In thousands
	June 30, 2015						December 31, 2014
	Gross Carrying Amount		Accumulated Amortization		Net Value		Gross Carrying Amount		Accumulated Amortization		Net Value
Amortizable intangibles:
Covenants not-to-compete	$	8,468	$	6,258	$	2,210	$	8,474	$	5,688	$	2,786
Customer relationships	775,526		122,047		653,479		755,148		107,365		647,783
Tradenames	4,343		951		3,392		6,062		1,313		4,749
Technology	611		573		38		611		521		90
Other	532		52		480		539		35		504
Indefinite lived intangibles:
Operating permits	242,777		—		242,777		247,933		—		247,933
Tradenames	5,800		—		5,800		5,800		—		5,800
Total	$	1,038,057	$	129,881	$	908,176	$	1,024,567	$	114,922	$	909,645

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
2015	$	34,854
2016	35,146
2017	35,020
2018	34,981
2019	34,960