XML 33 R56.htm IDEA: XBRL DOCUMENT v2.4.0.6
Financial Instruments (Foreign Exchange Risk and Its Effect on Income Statement) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of net gain recognized in income $ (0.8) $ (1.2)