Note 10. Derivative Financial Instruments (Details) - Transaction Exposure (Not Designated as Hedging Instrument [Member], Forward Contracts [Member]) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 Euro Member Countries, Euro USD ($)	Dec. 31, 2012 Euro Member Countries, Euro EUR (€)	Dec. 31, 2011 Euro Member Countries, Euro USD ($)	Dec. 31, 2011 Euro Member Countries, Euro EUR (€)	Dec. 31, 2012 Australia, Dollars USD ($)	Dec. 31, 2012 Australia, Dollars AUD	Dec. 31, 2011 Australia, Dollars USD ($)	Dec. 31, 2011 Australia, Dollars AUD	Dec. 31, 2012 Malaysia, Ringgits USD ($)	Dec. 31, 2012 Malaysia, Ringgits MYR	Dec. 31, 2011 Malaysia, Ringgits USD ($)	Dec. 31, 2011 Malaysia, Ringgits MYR	Dec. 31, 2011 Japan, Yen USD ($)	Dec. 31, 2011 Japan, Yen JPY (¥)	Dec. 31, 2012 Canada, Dollars USD ($)	Dec. 31, 2012 Canada, Dollars CAD	Dec. 31, 2011 Canada, Dollars USD ($)	Dec. 31, 2011 Canada, Dollars CAD
Derivative [Line Items]
Derivative, currency bought	Euro	Euro	Euro	Euro			Australian dollar	Australian dollar	Malaysian ringgit	Malaysian ringgit	Malaysian ringgit	Malaysian ringgit	Japanese yen	Japanese yen	Canadian dollar	Canadian dollar	Canadian dollar	Canadian dollar
Notional amount of foreign currency derivative purchase contracts	$ 170.2	€ 128.7	$ 879.1	€ 676.2			$ 3.0	2.9	$ 45.0	136.4	$ 51.1	159.7	$ 2.5	¥ 248.0	$ 22.6	22.4	$ 16.2	16.5
Derivative, currency sold	Euro	Euro	Euro	Euro	Australian dollar	Australian dollar	Australian dollar	Australian dollar	Malaysian ringgit	Malaysian ringgit	Malaysian ringgit	Malaysian ringgit			Canadian dollar	Canadian dollar	Canadian dollar	Canadian dollar
Notional amount of foreign currency derivative sale contracts	$ 177.5	€ 134.2	$ 630.4	€ 484.9	$ 8.8	8.5	$ 8.4	8.2	$ 11.9	36.0	$ 7.6	23.9			$ 16.0	15.8	$ 14.4	14.7