Goodwill & Intangibles (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangibles

Changes in the carrying amount of goodwill by geographic segment

	December 31, 2017
	Gross Balance								Accumulated Impairment Losses						Net Goodwill
			Acquired		Foreign
	Balance		During		Currency		Balance		Balance		Impairment		Balance
	January 1,		the		Translation		December 31,		January 1,		Loss During		December 31,		December 31,
	2017		Period (1)		and Other		2017		2017		the Period		2017		2017
	(in millions)
Americas	$	434.7		2.0		0.7		437.4	$	(24.5)		—		(24.5)		412.9
Europe		234.9		—		14.4		249.3		(129.7)		—		(129.7)		119.6
APMEA		30.2		—		0.7		30.9		(12.9)		—		(12.9)		18.0
Total	$	699.8		2.0		15.8		717.6	$	(167.1)		—		(167.1)		550.5

(1) Americas goodwill additions during 2017 includes purchase accounting adjustments related to the PVI acquisition discussed in Note 5 of the Notes to the Consolidated Financial Statements.

	December 31, 2016
	Gross Balance								Accumulated Impairment Losses						Net Goodwill
			Acquired		Foreign
	Balance		During		Currency		Balance		Balance		Impairment		Balance
	January 1,		the		Translation		December 31,		January 1,		Loss During		December 31,		December 31,
	2016		Period		and Other		2016		2016		the Period		2016		2016
	(in millions)
Americas	$	391.2		43.3		0.2		434.7	$	(24.5)		—		(24.5)		410.2
Europe		238.6		—		(3.7)		234.9		(129.7)		—		(129.7)		105.2
APMEA		26.3		3.7		0.2		30.2		(12.9)		—		(12.9)		17.3
Total	$	656.1		47.0		(3.3)		699.8	$	(167.1)		—		(167.1)		532.7

Schedule of Intangible assets

	December 31,
	2017						2016
	Gross				Net		Gross				Net
	Carrying		Accumulated		Carrying		Carrying		Accumulated		Carrying
	Amount		Amortization		Amount		Amount		Amortization		Amount
	(in millions)
Patents	$	16.1	$	(15.4)	$	0.7	$	16.1	$	(14.9)	$	1.2
Customer relationships		233.2		(133.5)		99.7		231.5		(117.3)		114.2
Technology		53.9		(23.1)		30.8		53.1		(19.2)		33.9
Trade names		25.5		(9.7)		15.8		25.1		(8.1)		17.0
Other		6.9		(6.0)		0.9		6.8		(5.9)		0.9
Total amortizable intangibles		335.6		(187.7)		147.9		332.6		(165.4)		167.2
Indefinite-lived intangible assets		37.3		—		37.3		35.3		—		35.3
	$	372.9	$	(187.7)	$	185.2	$	367.9	$	(165.4)	$	202.5