Goodwill and Intangible Assets, Net (Tables)

3 Months Ended

Apr. 01, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the Carrying Amount of Goodwill

The changes in the carrying amount of goodwill for the period ended April 1, 2012 from January 1, 2012 were as follows:

	Human Health		Environmental Health		Consolidated
	(In thousands)
Balance at January 1, 2012	$	1,390,571	$	703,055	$	2,093,626
Foreign currency translation	6,267		3,166		9,433
Balance at April 1, 2012	$	1,396,838	$	706,221	$	2,103,059

Identifiable Intangible Asset Balances

Identifiable intangible asset balances at April 1, 2012 and January 1, 2012 by category were as follows:

	April 1, 2012			January 1, 2012
	(In thousands)
Patents	$	107,715		$	107,437
Less: Accumulated amortization	(86,717		)	(85,188		)
Net patents	20,998			22,249
Trade names and trademarks	34,133			35,214
Less: Accumulated amortization	(11,237		)	(11,086		)
Net trade names and trademarks	22,896			24,128
Licenses	79,999			79,873
Less: Accumulated amortization	(40,062		)	(37,339		)
Net licenses	39,937			42,534
Core technology	387,867			385,112
Less: Accumulated amortization	(222,852		)	(212,834		)
Net core technology	165,015			172,278
Customer relationships	316,457			316,782
Less: Accumulated amortization	(79,764		)	(69,710		)
Net customer relationships	236,693			247,072
IPR&D	7,179			7,131
Less: Accumulated amortization	(989		)	(819		)
Net IPR&D	6,190			6,312
Net amortizable intangible assets	491,729			514,573
Non-amortizing intangible assets:
Trade names and trademarks	147,034			147,034
Totals	$	638,763		$	661,607