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Note 9. Derivative Financial Instruments (Details) - Transaction Exposure
In Millions
6 Months Ended
Jun. 30, 2011
USD ($)
May 30, 2011
Jun. 30, 2011
Euro Member Countries, Euro
Forward Contracts [Member]
USD ($)
Jun. 30, 2011
Euro Member Countries, Euro
Forward Contracts [Member]
EUR (€)
Jun. 30, 2011
Australia, Dollars
Forward Contracts [Member]
USD ($)
Jun. 30, 2011
Australia, Dollars
Forward Contracts [Member]
AUD
Jun. 30, 2011
Malaysia, Ringgits
Forward Contracts [Member]
USD ($)
Jun. 30, 2011
Malaysia, Ringgits
Forward Contracts [Member]
MYR
Jun. 30, 2011
Japan, Yen
Forward Contracts [Member]
USD ($)
Jun. 30, 2011
Japan, Yen
Forward Contracts [Member]
JPY (¥)
Jun. 30, 2011
Canada, Dollars
Forward Contracts [Member]
USD ($)
Jun. 30, 2011
Canada, Dollars
Forward Contracts [Member]
CAD
Derivative [Line Items]                        
Exchange rate ratio 1.44 1.42 1.44 1.44 1.06 1.06 0.33 0.33 0.01 0.01 1.03 1.03
Derivative, currency bought     Euro Euro Australian dollar Australian dollar Malaysian ringgit Malaysian ringgit Japanese yen Japanese yen Canadian dollar Canadian dollar
Notional amount of foreign currency derivative purchase contracts     $ 518.4 € 360.0 $ 1.6 1.5 $ 53.7 162.6 $ 34.2 ¥ 3,416.0 $ 5.7 5.5
Derivative, currency sold     Euro Euro Australian dollar Australian dollar Malaysian ringgit Malaysian ringgit Japanese yen Japanese yen Canadian dollar Canadian dollar
Notional amount of foreign currency derivative sale contracts     $ 612.9 € 425.6 $ 1.6 1.5 $ 6.8 20.5 $ 25.1 ¥ 2,512.4 $ 8.9 8.6