Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Accounting Policies

Changes in the carrying amount of goodwill by geographic segment

	Year Ended 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 (1)		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
EMEA		238.6		—		(3.7)		234.9		(129.7)		—		(129.7)		105.2
Asia - Pacific		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

(1) Americas goodwill additions during 2016 include $4.2 million of goodwill resulting from an insignificant acquisition.

	Year Ended December 31,2015
	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,
	2015		Period		and Other		2015		2015		the Period		2015		2015
	(in millions)
Americas	$	398.0		—		(6.8)		391.2	$	(24.5)		—		(24.5)		366.7
EMEA		265.5		—		(26.9)		238.6		—		(129.7)		(129.7)		108.9
Asia - Pacific		12.9		12.9		0.5		26.3		(12.9)		—		(12.9)		13.4
Total	$	676.4		12.9		(33.2)		656.1	$	(37.4)		(129.7)		(167.1)		489.0

Schedule of Intangible assets

	December 31,
	2016						2015
	Gross				Net		Gross				Net
	Carrying		Accumulated		Carrying		Carrying		Accumulated		Carrying
	Amount		Amortization		Amount		Amount		Amortization		Amount
	(in millions)
Patents	$	16.1	$	(14.9)	$	1.2	$	16.1	$	(14.1)	$	2.0
Customer relationships		231.5		(117.3)		114.2		212.5		(102.1)		110.4
Technology		53.1		(19.2)		33.9		41.3		(16.1)		25.2
Trade names		25.1		(8.1)		17.0		21.9		(6.4)		15.5
Other		6.8		(5.9)		0.9		9.4		(5.9)		3.5
Total amortizable intangibles		332.6		(165.4)		167.2		301.2		(144.6)		156.6
Indefinite-lived intangible assets		35.3		—		35.3		36.2		—		36.2
	$	367.9	$	(165.4)	$	202.5	$	337.4	$	(144.6)	$	192.8

Reconciliation of the beginning and ending amount of unrecognized tax benefits

	(in millions)
Balance at January 1, 2016	$	4.2
Increases related to prior year tax positions		1.1
Decreases related to statute expirations		(0.1)
Settlements		(0.2)
Currency movement		0.1
Balance at December 31, 2016	$	5.1

Reconciliation of net (loss) income and number of shares used to compute net (loss) income per share, basic and assuming full dilution

	Year Ended December 31,
	2016					2015					2014
				Per					Per					Per
	Net			Share		Net			Share		Net			Share
	Income		Shares	Amount		Loss		Shares	Amount		Income		Shares	Amount
	(Amounts in millions, except per share information)
Basic EPS	$	84.2	34.4	$	2.45	$	(112.9)	34.9	$	(3.24)	$	50.3	35.3	$	1.42
Dilutive securities, principally common stock options		—	0.1		(0.01)		—	—		—		—	0.1		—
Diluted EPS	$	84.2	34.5	$	2.44	$	(112.9)	34.9	$	(3.24)	$	50.3	35.4	$	1.42