Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2013

Accounting Policies

Changes in the carrying amount of goodwill by geographic segment

	March 31, 2013
	Gross Balance									Accumulated Impairment Losses								Net Goodwill
	Balance January 1, 2013		Acquired During the Period		Foreign Currency Translation and Other			Balance March 31, 2013		Balance January 1, 2013			Impairment Loss During the Period		Balance March 31, 2013			March 31, 2013
	(in millions)
North America	$	225.6	$	—	$	(0.3	)	$	225.3	$	(24.2	)	$	—	$	(24.2	)	$	201.1
Europe, Middle East and Africa (EMEA)	293.9		—		(8.4		)	285.5		—			—		—			285.5
Asia	12.9		—		—			12.9		—			—		—			12.9
Total	$	532.4	$	—	$	(8.7	)	$	523.7	$	(24.2	)	$	—	$	(24.2	)	$	499.5

	April 1, 2012
	Gross Balance								Accumulated Impairment Losses								Net Goodwill
	Balance January 1, 2012		Acquired During the Period		Foreign Currency Translation and Other		Balance April 1, 2012		Balance January 1, 2012			Impairment Loss During the Period		Balance April 1, 2012			April 1, 2012
	(in millions)
North America	$	213.8	$	13.1	$	0.1	$	227.0	$	(23.2	)	$	—	$	(23.2	)	$	203.8
EMEA	285.3		—		7.6		292.9		—			—		—			292.9
Asia	12.7		—		0.1		12.8		—			—		—			12.8
Total	$	511.8	$	13.1	$	7.8	$	532.7	$	(23.2	)	$	—	$	(23.2	)	$	509.5

Intangible assets

	March 31, 2013							December 31, 2012
	GrossCarryingAmount		AccumulatedAmortization			NetCarryingAmount		GrossCarryingAmount		AccumulatedAmortization			NetCarryingAmount
	(in millions)
Patents	$	16.4	$	(11.9	)	$	4.5	$	16.5	$	(11.7	)	$	4.8
Customer relationships	133.1		(71.4		)	61.7		134.3		(68.7		)	65.6
Technology	28.3		(9.8		)	18.5		28.5		(9.3		)	19.2
Trade Names	13.7		(2.2		)	11.5		13.9		(1.9		)	12.0
Other	8.7		(5.6		)	3.1		8.7		(5.5		)	3.2
Total amortizable intangibles	200.2		(100.9		)	99.3		201.9		(97.1		)	104.8
Indefinite-lived intangible assets	41.2		—			41.2		41.8		—			41.8
Total	$	241.4	$	(100.9	)	$	140.5	$	243.7	$	(97.1	)	$	146.6

Schedule of weighted average assumptions used to estimate the grant-date fair value of restricted stock units

	2013		2012
Expected life (years)	3.0		3.0
Expected stock price volatility	34.1	%	38.3	%
Expected dividend yield	0.9	%	1.1	%
Risk-free interest rate	0.4	%	0.4	%