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Derivatives and Hedging Fair Value of Derivatives, Balance Sheet Location (Details) $ in Thousands, € in Millions, $ in Millions, $ in Millions | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) lb | Sep. 30, 2020 USD ($) | Sep. 30, 2021 MXN ($) | Sep. 30, 2021 CAD ($) | Sep. 30, 2021 EUR (€) | Sep. 30, 2021 USD ($) | Mar. 31, 2021 USD ($)
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Non-derivative Net Investment Hedge |  |  |  |  |  |  |  | $ 49,208 |
Prepaid & Other |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Asset derivatives |  |  |  |  |  |  |  | 1,145 | $ 57
Liability derivatives |  |  |  |  |  |  |  | 0 | 0
Accrued expenses and other |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Asset derivatives |  |  |  |  |  |  |  | 0 | 0
Liability derivatives |  |  |  |  |  |  |  | $ 57 | $ 367
Foreign currency forward contracts | Selling, general, and administrative expense |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Gain (Loss) on Derivative Instruments, Net, Pretax | $ 1,143 | $ (223) | $ 2,571 | $ (80) |  |  |  |  |
Commodity swap contracts |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Derivative, notional amount, weight | lb |  |  | 384,000 |  |  |  |  |  |
Commodity swap contracts | Cost of Sales [Member] |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Gain (Loss) on Derivative Instruments, Net, Pretax | $ (28) | $ (386) | $ (693) | $ (751) |  |  |  |  |
Mexican peso | Foreign currency forward contracts |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Liability derivatives |  |  |  |  | $ 39.9 |  |  |  |
Canadian dollar | Foreign currency forward contracts |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Liability derivatives |  |  |  |  |  | $ 5.1 |  |  |
Derivative Asset, Notional Amount |  |  |  |  |  | $ 7.0 |  |  |
euro | Foreign currency forward contracts |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |
Derivative Asset, Notional Amount | € |  |  |  |  |  |  | € 54.0 |  |

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