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Financing Arrangements and Derivative Financial Instruments - Long Term Debt and Finance Leases Due Within One Year (Parenthetical) (Details) - 3.75% Euro Notes due 2023 - Euro Notes
9 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Debt Instrument [Line Items]    
Interest rate, stated percentage 3.75% 3.75%
Debt instrument, redemption date Oct. 28, 2021