Accounting Policies (Details 3) (USD $) In Millions, unless otherwise specified	12 Months Ended						12 Months Ended		1 Months Ended	12 Months Ended		12 Months Ended		12 Months Ended
	Dec. 31, 2011 Y	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2010 North America/Europe	Dec. 31, 2011 Trade name Y	Dec. 31, 2010 Trade name	Dec. 31, 2011 Patents Y	Dec. 31, 2010 Patents	Jun. 30, 2010 Customer relationships Y	Dec. 31, 2011 Customer relationships Y	Dec. 31, 2010 Customer relationships	Dec. 31, 2011 Technology Y	Dec. 31, 2010 Technology	Dec. 31, 2011 Other Y	Dec. 31, 2010 Other
Intangible assets subject to amortization
Gross Carrying Amount	$ 194.0	$ 170.0			$ 13.4	$ 4.4	$ 16.5	$ 16.6		$ 135.8	$ 120.5	$ 19.8	$ 19.8	$ 8.5	$ 8.7
Accumulated Amortization	(81.8)	(64.0)			(0.8)		(10.8)	(9.6)		(57.7)	(43.1)	(7.1)	(5.6)	(5.4)	(5.7)
Net Carrying Amount	112.2	106.0			12.6	4.4	5.7	7.0		78.1	77.4	12.7	14.2	3.1	3.0
Indefinite-lived intangible assets
Indefinite-lived intangible assets	42.4	46.6
Intangible assets
Gross Carrying Amount	236.4	216.6
Total	154.6	152.6
Reassessment of intangible assets				6.1
Weighted-average remaining life (in years)	10.6				12.7		7.2		8	7.4		14.2		43.2
Aggregate amortization expense for amortized intangible assets	18.1	14.3	13.1
Future amortization expense
Future amortization expense, 2012	15.4
Future amortization expense, 2013	14.3
Future amortization expense, 2014	14.3
Future amortization expense, 2015	14.0
Future amortization expense, 2016	$ 13.5