Goodwill and Other Intangible Assets, net (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Changes in Goodwill

Changes in the carrying values of goodwill for the three months ended March 31, 2015, by segment, were as follows (in millions):

	Segment
	Electrical		Power			Total
BALANCE DECEMBER 31, 2014	$	568.9	$	305.8		$	874.7
Current year acquisitions	29.8		12.5			42.3
Foreign currency translation and prior year acquisitions	0.8		(1.3		)	(0.5		)
BALANCE MARCH 31, 2015	$	599.5	$	317.0		$	916.5

Schedule of Intangible Assets

The carrying value of other intangible assets included in Intangible assets, net in the Condensed Consolidated Balance Sheet is as follows (in millions):

	March 31, 2015					December 31, 2014
	Gross Amount		Accumulated Amortization			Gross Amount		Accumulated Amortization
Definite-lived:
Patents, tradenames and trademarks	$	133.1	$	(33.8	)	$	125.1	$	(32.5	)
Customer/agent relationships and other	309.7		(92.6		)	263.0		(87.8		)
Total	442.8		(126.4		)	388.1		(120.3		)
Indefinite-lived:
Tradenames and other	54.3		—			55.0		—
TOTAL	$	497.1	$	(126.4	)	$	443.1	$	(120.3	)