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Intangible Assets and Goodwill (Schedule Of Intangible Assets) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 29, 2023 | Dec. 30, 2022
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 2,314.9 | $ 1,706.4
Accumulated Amortization | (1,071.4) | (1,208.3)
Total | 1,243.5 | 498.1
Write off of assets | $ 267.8 | 79.9
Impairment Of Intangible Asset Finite Lived, Statement Of Income Or Comprehensive Income, Extensible Enumeration Not Disclosed Flag | 79.9 million |
Developed product technology |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted-Average Useful Lives (in years) | 6 years |
Gross Carrying Amount | $ 908.5 | 1,004.8
Accumulated Amortization | (554.1) | (722.7)
Total | $ 354.4 | 282.1
Customer relationships |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted-Average Useful Lives (in years) | 10 years |
Gross Carrying Amount | $ 1,358.4 | 654.1
Accumulated Amortization | (474.5) | (445.9)
Total | $ 883.9 | 208.2
Trade names and trademarks |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted-Average Useful Lives (in years) | 6 years |
Gross Carrying Amount | $ 43.8 | 39.5
Accumulated Amortization | (38.6) | (32.7)
Total | $ 5.2 | 6.8
Distribution rights and other intellectual property |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted-Average Useful Lives (in years) | 7 years |
Gross Carrying Amount | $ 4.2 | 8.0
Accumulated Amortization | (4.2) | (7.0)
Total | $ 0.0 | $ 1.0

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