GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill And Intangible Assets Disclosure [Abstract]

The changes in the carrying amount of goodwill since January 1, 2015, by reportable segment and for the “Other” category, were as follows:

In thousands
	Domestic and Canada RCS			International RCS			Other			Total
Balance at January 1, 2015 (1)	$	1,638,529		$	521,338		$	258,965		$	2,418,832
Goodwill acquired during year		1,231,219			192,737			26,994			1,450,950
Purchase accounting adjustments		(8,072	)		(17,221	)		(2,984	)		(28,277	)
Other changes		—			(440	)		—			(440	)
Changes due to foreign currency fluctuations		(18,965	)		(63,923	)		—			(82,888	)
Balance at December 31, 2015		2,842,711			632,491			282,975			3,758,177
Goodwill acquired during year		41,517			8,381			2,871			52,769
Purchase accounting adjustments		(77,247	)		(78,894	)		(5,048	)		(161,189	)
Goodwill write-offs related to disposition and assets held for sale		—			(7,486	)		—			(7,486	)
Changes due to foreign currency fluctuations		4,820			(56,071	)		—			(51,251	)
Balance at December 31, 2016	$	2,811,801		$	498,421		$	280,798		$	3,591,020

(1)

The January 1, 2015 balances have been recast to reflect the new organizational structure. Domestic and Canada RCS goodwill from the International RCS and Other includes resulting from the changes described.

Carrying Values of Other Intangible Assets

At December 31, 2016 and 2015, the values of other intangible assets were as follows:

In thousands
	2016						2015
	Gross Carrying Amount		Accumulated Amortization		Net Value		Gross Carrying Amount		Accumulated Amortization		Net Value
Amortizable intangibles:
Customer relationships	$	1,553,398	$	261,306	$	1,292,092	$	1,304,388	$	144,020	$	1,160,368
Covenants not-to-compete		9,491		6,371		3,120		6,878		5,141		1,737
Tradenames		5,708		1,365		4,343		3,819		948		2,871
Other		19,076		2,526		16,550		18,902		916		17,986
Indefinite lived intangibles:
Operating permits		229,396		—		229,396		233,101		—		233,101
Tradenames		316,472		—		316,472		426,498		—		426,498
Total	$	2,133,541	$	271,568	$	1,861,973	$	1,993,586	$	151,025	$	1,842,561

Changes in Carrying Amount of Intangible Assets

The changes in the carrying amount of intangible assets since January 1, 2015 were as follows:

In thousands
	Total
Balance as of January 1, 2015	$	909,645
Intangible assets acquired during the year		1,016,775
Valuation adjustments for prior year acquisitions		35,241
Impairments during the year		(4,177	)
Amortization during the year		(45,498	)
Changes due to foreign currency fluctuations		(69,425	)
Balance as of December 31, 2015		1,842,561
Intangible assets acquired during the year		35,564
Valuation adjustments for prior year acquisitions		168,979
Intangible write-offs due to disposition and assets held for sale		(15,961	)
Impairments during the year		(1,406	)
Amortization during the year		(129,300	)
Changes due to foreign currency fluctuations		(38,464	)
Balance at December 31, 2016	$	1,861,973

Estimated Amortization Expense

The estimated amortization expense for each of the next five years is as follows for the years ended December 31:

In thousands
2017	$	116,265
2018		116,127
2019		115,738
2020		115,045
2021		113,919