Goodwill and Other Identifiable Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2011

Changes in Carrying Amount of Goodwill by Segment

The changes in the carrying amount of goodwill for the year ended December 31, 2011 and December 31, 2010 by segment were as follows:

In thousands	December 31, 2010		Acquisitions/ divestitures		Foreign currency translation/other			December 31, 2011
Water & Fluid Solutions	$	1,784,100	$	466,182	$	(255,501	)	$	1,994,781
Technical Products		281,944		—		(2,807	)		279,137
Consolidated Total	$	2,066,044	$	466,182	$	(258,308	)	$	2,273,918

In thousands	December 31, 2009		Acquisitions/ divestitures		Foreign currency translation/other			December 31, 2010
Water & Fluid Solutions	$	1,802,913	$	—	$	(18,813	)	$	1,784,100
Technical Products		285,884		—		(3,940	)		281,944
Consolidated Total	$	2,088,797	$	—	$	(22,753	)	$	2,066,044

Detail of Acquired Intangible Assets

The detail of intangible assets consisted of the following:

	2011							2010
In thousands	Gross carrying amount		Accumulated amortization			Net		Gross carrying amount		Accumulated amortization			Net
Finite-life intangibles
Patents	$	5,896	$	(4,038	)	$	1,858	$	15,469	$	(12,695	)	$	2,774
Proprietary technology		128,841		(39,956	)		88,885		74,176		(29,862	)		44,314
Customer relationships		358,410		(109,887	)		248,523		282,479		(82,901	)		199,578
Trade names		1,515		(530	)		985		1,532		(383	)		1,149
Total finite-life intangibles	$	494,662	$	(154,411	)	$	340,251	$	373,656	$	(125,841	)	$	247,815
Indefinite-life intangibles
Trade names		252,034		—			252,034		205,755		—			205,755
Total intangibles, net	$	746,696	$	(154,411	)	$	592,285	$	579,411	$	(125,841	)	$	453,570

Estimated Future Amortization Expense for Identifiable Intangible Assets

The estimated future amortization expense for identifiable intangible assets during the next five years is as follows:

In thousands	2012		2013		2014		2015		2016
Estimated amortization expense	$	38,828	$	38,663	$	38,296	$	38,018	$	37,079