Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in goodwill by reportable segment

The changes in the carrying amount of goodwill for the year ended December 31, 2016 and the three months ended March 31, 2017 are as follows:



(in millions)	Total
Balance as of January 1, 2016	$	306.5
Foreign currency impact	(6.9		)
Balance as of December 31, 2016	299.6
Foreign currency impact	3.3
Balance as of March 31, 2017	$	302.9

Gross carrying amount and accumulated amortization of the company's intangible assets other than goodwill

The gross carrying amount, accumulated amortization and net book value of the Company’s intangible assets other than goodwill at March 31, 2017 and December 31, 2016 are as follows:



	March 31, 2017							December 31, 2016
(in millions)	Gross Carrying Amount		Accumulated Amortization			Net Book Value		Gross Carrying Amount		Accumulated Amortization			Net Book Value
Trademarks and tradenames	$	93.3	$	—		$	93.3	$	92.4	$	—		$	92.4
Customer relationships	10.6		(8.3		)	2.3		10.3		(7.8		)	2.5
Patents	28.7		(27.7		)	1.0		28.5		(27.4		)	1.1
Engineering drawings	10.2		(10.1		)	0.1		10.0		(9.9		)	0.1
Distribution network	18.2		(0.1		)	18.1		18.0		—			18.0
Other intangibles	0.2		(0.2		)	—		0.2		(0.2		)	—
Total	$	161.2	$	(46.4	)	$	114.8	$	159.4	$	(45.3	)	$	114.1