Goodwill and Other Identifiable Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2014

The changes in the carrying amount of goodwill for the year ended December 31, 2014 and December 31, 2013 by reportable segment were as follows:



In millions	December 31, 2013		Acquisitions/ divestitures		Foreign currency translation/other			December 31, 2014
Valves & Controls	$	1,511.6	$	—	$	—		$	1,511.6
Flow & Filtration Solutions	1,036.4		—		(94.0		)	942.4
Water Quality Systems	1,154.7		6.8		(23.9		)	1,137.6
Technical Solutions	1,158.0		—		(7.7		)	1,150.3
Total goodwill	$	4,860.7	$	6.8	$	(125.6	)	$	4,741.9



In millions	December 31, 2012		Acquisitions/ divestitures			Foreign currency translation/other		December 31, 2013
Valves & Controls	$	1,511.6	$	—		$	—	$	1,511.6
Flow & Filtration Solutions	1,019.6		(5.7		)	22.5		1,036.4
Water Quality Systems	1,144.6		7.6			2.5		1,154.7
Technical Solutions	1,161.7		(5.3		)	1.6		1,158.0
Total goodwill	$	4,837.5	$	(3.4	)	$	26.6	$	4,860.7

Identifiable intangible assets consisted of the following at December 31:



	2014							2013
In millions	Cost		Accumulated amortization			Net		Cost		Accumulated amortization			Net
Finite-life intangibles
Customer relationships	$	1,247.8	$	(325.2	)	$	922.6	$	1,271.2	$	(243.1	)	$	1,028.1
Trade names	2.0		(1.1		)	0.9		2.1		(0.9		)	1.2
Proprietary technology and patents	255.7		(96.7		)	159.0		263.7		(80.0		)	183.7
Total finite-life intangibles	1,505.5		(423.0		)	1,082.5		1,537.0		(324.0		)	1,213.0
Indefinite-life intangibles
Trade names	525.6		—			525.6		536.9		—			536.9
Total intangibles	$	2,031.1	$	(423.0	)	$	1,608.1	$	2,073.9	$	(324.0	)	$	1,749.9

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



In millions	2015		2016		2017		2018		2019
Estimated amortization expense	$	111.5	$	110.6	$	109.0	$	106.5	$	99.4