GOODWILL AND INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2013

Impairments of identifiable definite-lived and indefinite-lived intangible assets for the years ended December 31, 2013, 2012 and 2011 were $2.0 million, $5.2 million and $1.5 million, respectively, and are included in “Restructuring and other costs” on the Consolidated Statements of Operations.

Reconciliation of Changes in the Company's Goodwill



(in thousands)	Dental Consumable and Laboratory Businesses			Orthodontics/Canada/Mexico/Japan			Select Distribution Businesses			Implants/Endodontics/Healthcare/Pacific Rim		Total

Balance at December 31, 2012	$	488,206		$	102,065		$	92,473		$	1,528,209	$	2,210,953
Acquisition activity	42,998			—			—			9,901		52,899
Business unit transfers	(111,766		)	(4,365		)	(29,510		)	145,641		—
Additional consideration for post closing adjustments	—			—			—			610		610
Effect of exchange rate changes	1,844			(2,531		)	3,571			14,250		17,134
Balance, at December 31, 2013	$	421,282		$	95,169		$	66,534		$	1,698,611	$	2,281,596

Identifiable Definite-Lived Intangible Assets

Identifiable definite-lived and indefinite-lived intangible assets consist of the following:



	December 31, 2013							December 31, 2012
(in thousands)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount

Patents	$	181,847	$	(91,736	)	$	90,111	$	179,512	$	(81,390	)	$	98,122
Trademarks	85,922		(35,994		)	49,928		83,073		(33,129		)	49,944
Licensing agreements	31,950		(20,992		)	10,958		30,695		(18,966		)	11,729
Customer relationships	497,108		(82,381		)	414,727		491,859		(50,632		)	441,227
Total definite-lived	$	796,827	$	(231,103	)	$	565,724	$	785,139	$	(184,117	)	$	601,022

Trademarks and In-process R&D	$	229,599	$	—		$	229,599	$	229,620	$	—		$	229,620

Total identifiable intangible assets	$	1,026,426	$	(231,103	)	$	795,323	$	1,014,759	$	(184,117	)	$	830,642