Note 11. Derivative Financial Instruments (Details) (USD $)
In Millions, unless otherwise specified
6 Months Ended 2 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2013
Not Designated as Hedging Instrument [Member]
Buy U.S. Dollars [Member]
Foreign Exchange Option [Member]
Jun. 30, 2013
Not Designated as Hedging Instrument [Member]
Buy U.S. Dollars [Member]
Dec. 30, 2012
Not Designated as Hedging Instrument [Member]
Buy U.S. Dollars [Member]
Jun. 30, 2013
Not Designated as Hedging Instrument [Member]
Sell U.S.Dollars [Member]
Foreign Exchange Option [Member]
Jun. 30, 2013
Not Designated as Hedging Instrument [Member]
Sell U.S.Dollars [Member]
Jun. 30, 2013
Not Designated as Hedging Instrument [Member]
Jun. 30, 2013
Buy U.S. Dollars [Member]
Cash Flow Hedging [Member]
Jun. 30, 2013
Cash Flow Hedging [Member]
Jun. 30, 2013
Minimum [Member]
Jun. 30, 2013
Maximum [Member]
Note 11. Derivative Financial Instruments (Details) [Line Items]                      
Cash Flow Hedges Maturity                   3 months 8 months
Notional Equivalent Outstanding Contracts To Sell   $ 75.1     $ 75.1 $ 35.0   $ 45.6      
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months                 7.1    
Notional Amount Of Derivative Not Designated As Hedging Instrument     91.4 32.8              
Gain (Loss) on Foreign Currency Fair Value Hedge Derivatives             $ 2.4        
Additional Period After Hedge Period 2 months                    
Derivative Expiration Date, Interest Rate Swap May 17, 2013