GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

9 Months Ended

Sep. 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	$	1,673,810		$	557,772		$	2,231,582
Goodwill acquired during the 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	1,836,402			582,430			2,418,832
Goodwill acquired during the year	71,119			29,200			100,319
Purchase accounting allocation adjustments	(14,514		)	(412		)	(14,926		)
Goodwill other changes	—			(440		)	(440		)
Changes due to foreign currency fluctuations	(4,210		)	(52,121		)	(56,331		)
Balance at September 30, 2015	$	1,888,797		$	558,657		$	2,447,454

Amortizable Intangibles

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



In thousands
	September 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	$	8,343	$	6,404	$	1,939	$	8,474	$	5,688	$	2,786
Customer relationships	783,615		128,178		655,437		755,148		107,365		647,783
Tradenames	4,257		1,004		3,253		6,062		1,313		4,749
Technology	611		601		10		611		521		90
Other	501		64		437		539		35		504
Indefinite lived intangibles:
Operating permits	238,517		—		238,517		247,933		—		247,933
Tradenames	9,910		—		9,910		5,800		—		5,800
Total	$	1,045,754	$	136,251	$	909,503	$	1,024,567	$	114,922	$	909,645

The changes in the carrying amount of intangible assets since January 1, 2014 were as follows:



In thousands
	Total
Balance as of January 1, 2014	$	720,035
Intangible assets acquired during the year	277,041
Impairments during the year	(9,863		)
Amortization during the year	(32,692		)
Changes due to foreign currency fluctuations	(44,876		)
Balance as of December 31, 2014	909,645
Intangible assets acquired during the year	70,282
Impairments during the year	(2,414		)
Amortization during the year	(26,957		)
Changes due to foreign currency fluctuations	(41,053		)
Balance at September 30, 2015	$	909,503

Indefinite Lived Intangibles

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



In thousands
	September 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	$	8,343	$	6,404	$	1,939	$	8,474	$	5,688	$	2,786
Customer relationships	783,615		128,178		655,437		755,148		107,365		647,783
Tradenames	4,257		1,004		3,253		6,062		1,313		4,749
Technology	611		601		10		611		521		90
Other	501		64		437		539		35		504
Indefinite lived intangibles:
Operating permits	238,517		—		238,517		247,933		—		247,933
Tradenames	9,910		—		9,910		5,800		—		5,800
Total	$	1,045,754	$	136,251	$	909,503	$	1,024,567	$	114,922	$	909,645

The changes in the carrying amount of intangible assets since January 1, 2014 were as follows:



In thousands
	Total
Balance as of January 1, 2014	$	720,035
Intangible assets acquired during the year	277,041
Impairments during the year	(9,863		)
Amortization during the year	(32,692		)
Changes due to foreign currency fluctuations	(44,876		)
Balance as of December 31, 2014	909,645
Intangible assets acquired during the year	70,282
Impairments during the year	(2,414		)
Amortization during the year	(26,957		)
Changes due to foreign currency fluctuations	(41,053		)
Balance at September 30, 2015	$	909,503

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	$	35,839
2016	35,547
2017	35,422
2018	35,384
2019	35,363