GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 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	10,260			28,989			39,249
Purchase accounting allocation adjustments	1,941			—			1,941
Goodwill other changes	—			(440		)	(440		)
Changes due to foreign currency fluctuations	(2,631		)	(37,667		)	(40,298		)
Balance as of March 31, 2015	$	1,843,885		$	575,399		$	2,419,284

Values of Intangible Assets

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



In thousands
	March 31, 2015						December 31, 2014
	Gross Carrying Amount		Accumulated Amortization		Net Value		Gross Carrying Amount		Accumulated Amortization		Net Value
Amortizable intangibles:
Covenants not-to-compete	$	8,451	$	5,959	$	2,492	$	8,474	$	5,688	$	2,786
Customer relationships	750,022		112,107		637,915		755,148		107,365		647,783
Tradenames	4,265		880		3,385		6,062		1,313		4,749
Technology	611		547		64		611		521		90
Other	517		42		475		539		35		504
Indefinite lived intangibles:
Operating permits	239,229		—		239,229		247,933		—		247,933
Tradenames	5,800		—		5,800		5,800		—		5,800
Total	$	1,008,895	$	119,535	$	889,360	$	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	$	34,084
2016	33,788
2017	33,662
2018	33,624
2019	33,603