Goodwill and Intangible Assets, Net (Tables)

9 Months Ended

Sep. 29, 2013

The changes in the carrying amount of goodwill for the period ended September 29, 2013 from December 30, 2012 were as follows:



	Human Health		Environmental Health		Consolidated
	(In thousands)
Balance at December 30, 2012	$	1,632,487	$	490,301	$	2,122,788
Foreign currency translation	7,069		556		7,625
Acquisitions and other	—		638		638
Balance at September 29, 2013	$	1,639,556	$	491,495	$	2,131,051

Identifiable intangible asset balances at September 29, 2013 and December 30, 2012 by category were as follows:



	September 29, 2013			December 30, 2012
	(In thousands)
Patents	$	101,831		$	107,969
Less: Accumulated amortization	(85,789		)	(89,954		)
Net patents	16,042			18,015
Trade names and trademarks	36,430			37,694
Less: Accumulated amortization	(15,784		)	(13,886		)
Net trade names and trademarks	20,646			23,808
Licenses	79,208			80,607
Less: Accumulated amortization	(50,509		)	(47,368		)
Net licenses	28,699			33,239
Core technology	408,342			407,545
Less: Accumulated amortization	(271,440		)	(248,510		)
Net core technology	136,902			159,035
Customer relationships	325,533			327,637
Less: Accumulated amortization	(122,499		)	(108,384		)
Net customer relationships	203,034			219,253
IPR&D	7,510			7,463
Less: Accumulated amortization	(2,000		)	(1,496		)
Net IPR&D	5,510			5,967
Net amortizable intangible assets	410,833			459,317
Non-amortizing intangible assets:
Trade names and trademarks	70,584			70,584
Total	$	481,417		$	529,901