Goodwill and Other Intangible Assets (Details 2) (USD $) In Millions	9 Months Ended
	Sep. 30, 2011	Dec. 31, 2010
Other intangible assets, net
Other intangible assets, Acquired Cost	$ 384.4
Other intangible assets, Accumulated Amortization	(60.8)
Other intangible assets, net	323.6	297.9
Estimated amortization expense
2011	4.5
2012	16.7
2013	15.7
2014	15.4
2015	15.0
Patents
Asset subject to amortization:
Acquired Cost	61.8
Accumulated Amortization	(11.1)
Net Book Value	50.7
Customer relationships
Asset subject to amortization:
Acquired Cost	209.8
Accumulated Amortization	(42.7)
Net Book Value	167.1
Other
Asset subject to amortization:
Acquired Cost	34.1
Accumulated Amortization	(7.0)
Net Book Value	27.1
Trade names
Asset not subject to amortization:
Acquired Cost	78.7
Net Book Value	$ 78.7