Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amounts of goodwill for the years ended December 31, 2018 and 2017, by segment, were as follows (in millions):

	Segment
	Electrical			Power			Total
BALANCE AT DECEMBER 31, 2016	$	652.0		$	339.0		$	991.0
Current year acquisitions	58.7			29.8			88.5
Foreign currency translation and prior year acquisitions	6.9			2.6			9.5
BALANCE AT DECEMBER 31, 2017	$	717.6		$	371.4		$	1,089.0
Current year acquisitions	—			708.7			708.7
Foreign currency translation and prior year acquisitions	(3.5		)	(9.8		)	(13.3		)
BALANCE AT DECEMBER 31, 2018	$	714.1		$	1,070.3		$	1,784.4

Schedule of Identifiable Intangible Assets

Identifiable intangible assets are recorded in Intangible assets, net in the Consolidated Balance Sheet. Identifiable intangible assets are comprised of the following (in millions):

	December 31, 2018					December 31, 2017
	Gross Amount		Accumulated Amortization			Gross Amount		Accumulated Amortization
Definite-lived:
Patents, tradenames and trademarks	$	204.4	$	(58.6	)	$	151.4	$	(50.1	)
Customer/agent relationships and other	833.0		(212.6		)	462.0		(156.7		)
TOTAL DEFINITE-LIVED INTANGIBLES	1,037.4		(271.2		)	613.4		(206.8		)
Indefinite-lived:
Tradenames and other	53.3		—			53.8		—
TOTAL INTANGIBLE ASSETS	$	1,090.7	$	(271.2	)	$	667.2	$	(206.8	)