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Note 8. Derivative Financial Instruments (Details) - Risk Management
£ in Millions, $ in Millions, ¥ in Billions
12 Months Ended
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2021
GBP (£)
Jun. 30, 2021
JPY (¥)
Aug. 31, 2020
USD ($)
Foreign exchange forward contracts [Member]          
Derivatives, Fair Value [Line Items]          
Maximum length of time hedged in foreign currency Cash flow hedge 11 months 20 months      
Foreign exchange forward contracts [Member] | Cash Flow Hedging [Member]          
Derivatives, Fair Value [Line Items]          
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months $ 1.1        
Foreign exchange forward contracts [Member] | Cash Flow Hedging [Member] | United States of America, Dollars          
Derivatives, Fair Value [Line Items]          
Derivative, notional amount 38.4 $ 43.4      
Foreign exchange forward contracts [Member] | Cash Flow Hedging [Member] | United Kingdom, Pounds          
Derivatives, Fair Value [Line Items]          
Derivative, notional amount $ 14.4   £ 10.6    
Commodity swap contracts [Member] | Cash Flow Hedging [Member]          
Derivatives, Fair Value [Line Items]          
Derivative, notional amount         $ 24.9
Ikeda Credit Facility | Interest rate swap contract [Member] | Not Designated as Hedging Instrument [Member]          
Derivatives, Fair Value [Line Items]          
Derivative, notional amount | ¥       ¥ 0.7  
Derivative, basis spread on variable rate       0.70%  
Derivative, fixed interest rate paid on swap       1.12%