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Financial Instruments Financial Instruments (Details) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Apr. 03, 2021 | Mar. 28, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Mar. 30, 2019
Commodity Contract [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Values | $ 14,000,000.0 | $ 1,200,000 | $ 10,000,000.0 |  |
Cash Flow Hedge Gain (Loss) to be Reclassified Within Twelve Months | 2,500,000 |  |  |  |
Foreign Exchange Forward [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Values | 493,900,000 | 281,100,000 | 395,900,000 |  |
Foreign Exchange Option [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Values | 0 | 17,800,000 | 0 |  |
Foreign Exchange Contracts [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Cash Flow Hedge Gain (Loss) to be Reclassified Within Twelve Months | (4,600,000) |  |  |  |
Debentures Due 2023 [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Amount of Gain (Loss) Estimated to be Reclassified from Accumulated Other Comprehensive Loss to Cost of Sales or Interest Expense |  |  |  | $ 2,500,000 |
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net |  |  |  | $ 700,000 |
Interest Rate Swap [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Values | 0 | 150,000,000.0 | 0 |  | $ 0
Forward-Starting Interest Rate Swap [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Cash Flow Hedge Gain (Loss) to be Reclassified Within Twelve Months | (600,000) |  |  |  |
Amount of Gain (Loss) Estimated to be Reclassified from Accumulated Other Comprehensive Loss to Cost of Sales or Interest Expense | 8,600,000 | (1,800,000) | (1,400,000) |  |
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset | 15,600,000 | 9,700,000 | 2,200,000 |  |
Derivative Liability, Fair Value, Gross Liability | 6,900,000 | 3,400,000 | 11,300,000 |  |
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Prepaid Expenses and Other Current Assets [Member] | Commodity Contract [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset | 2,500,000 | 0 | 900,000 |  |
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Prepaid Expenses and Other Current Assets [Member] | Foreign Exchange Contracts [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset | 3,300,000 | 9,700,000 | 1,300,000 |  |
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Prepaid Expenses and Other Current Assets [Member] | Interest Rate Swap [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset | 9,800,000 | 0 | 0 |  |
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Accrued Expenses [Member] | Commodity Contract [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability | 0 | 100,000 | 0 |  |
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Accrued Expenses [Member] | Foreign Exchange Contracts [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability | 6,900,000 | 3,300,000 | 11,300,000 |  |
Other Hedging Activity [Member] | Prepaid Expenses and Other Current Assets [Member] | Foreign Exchange Contracts [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset | 200,000 | 2,600,000 | 0.0 |  |
Other Hedging Activity [Member] | Accrued Expenses [Member] | Foreign Exchange Contracts [Member] |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative Liability, Fair Value, Gross Liability | $ 400,000 | $ 200,000 | $ 700,000 |  |

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