Note 6. Intangible Assets and Goodwill (Detail) (In-Process Research and Development [Member], USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2012
In-Process Research and Development [Member]
   
Research And Development Capitalization Total $ 43.0 $ 43.0
Research And Development Capitalization During Period $ 0 $ 11.2