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Financial Instruments and Risk Management (Derivative Notional Amounts) (Details) - USD ($) $ in Millions | Sep. 28, 2019 | Dec. 29, 2018 | Sep. 29, 2018
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Foreign Exchange Contract [Member] | Hedge [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Notional amount | $ 237.7 | $ 220.3 | $ 215.5
Foreign Exchange Contract [Member] | Non-hedge [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Notional amount | 0.0 | 4.8 | 8.1
Interest Rate Swap [Member] | Hedge [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Notional amount | 366.2 | 181.3 | 376.1
Cross Currency Interest Rate Contract [Member] | Hedge [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Notional amount | $ 79.8 | $ 95.8 | $ 95.8

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