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Business Combinations (Schedule Of Total Intangible Assets) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Jan. 03, 2020 | Dec. 28, 2018
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 2,191.0 | $ 2,092.7
Accumulated Amortization | (1,512.3) | (1,348.4)
Total | 678.7 | 744.3
Developed Product Technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 1,266.7 | 1,220.3
Accumulated Amortization | (923.4) | (825.3)
Total | $ 343.3 | 395.0
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 6 years |
Trade Names And Trademarks [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 74.8 | 72.9
Accumulated Amortization | (59.8) | (53.3)
Total | $ 15.0 | 19.6
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 5 years |
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 769.8 | 715.1
Accumulated Amortization | (465.6) | (406.5)
Total | $ 304.2 | 308.6
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 8 years |
Distribution Rights And Other Intellectual Properties [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 79.7 | 84.4
Accumulated Amortization | (63.5) | (63.3)
Total | $ 16.2 | $ 21.1
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 6 years |

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