Goodwill And Intangible Assets (Components Of Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross carrying amount	$ 418.5	$ 180.8
Intangible assets, accumulated amortization	71.1	52.8
Customer lists
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross carrying amount	152.3	36.9
Intangible assets, accumulated amortization	19.6	14.3
Patents and acquired technology
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross carrying amount	223.7	130.5
Intangible assets, accumulated amortization	40.7	29.6
Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross carrying amount	36.4	8.0
Intangible assets, accumulated amortization	5.6	4.0
Other
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross carrying amount	6.1	5.4
Intangible assets, accumulated amortization	$ 5.2	$ 4.9