XML 14 R39.htm IDEA: XBRL DOCUMENT v2.4.0.6
Organization and Basis of Presentation Research and Development (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Research and Development Expense $ 113.6 $ 82.5 $ 67.0