Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill by Reportable Segment

The changes in carrying amount of goodwill for the years ended December 31, 2016 and December 31, 2015 are as follows:



(in millions)	2016			2015
Gross balance as of January 1,	$	306.5		$	325.3
Foreign currency impact	(6.9		)	(18.8		)
Net balance as of December 31,	$	299.6		$	306.5

Gross Carrying Amount and Accumulated Amortization of the Company's Intangible Assets Other than Goodwill

The gross carrying amount and accumulated amortization of the Company’s intangible assets other than goodwill are as follows as of December 31, 2016 and December 31, 2015.



	December 31, 2016							December 31, 2015
(in millions)	Gross Carrying Amount		Accumulated Amortization Amount			Net Book Value		Gross Carrying Amount		Accumulated Amortization Amount			Net Book Value
Trademarks and tradenames	$	92.4	$	—		$	92.4	$	94.2	$	—		$	94.2
Customer relationships	10.3		(7.8		)	2.5		10.4		(7.1		)	3.3
Patents	28.5		(27.4		)	1.1		29.1		(26.6		)	2.5
Engineering drawings	10.0		(9.9		)	0.1		10.2		(9.3		)	0.9
Distribution network	18.0		—			18.0		18.4		—			18.4
Other intangibles	0.2		(0.2		)	—		0.3		(0.3		)	—
	$	159.4	$	(45.3	)	$	114.1	$	162.6	$	(43.3	)	$	119.3