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Business Combinations (Schedule Of Total Intangible Assets) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Jan. 01, 2021 | Jan. 03, 2020
Finite-Lived Intangible Assets [Line Items] |  |
Write off of assets | $ 338.3 |
Gross Carrying Amount | 1,903.4 | $ 2,084.5
Accumulated Amortization | (1,323.3) | (1,405.8)
Total | $ 580.1 | 678.7
Developed product technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted-Average Useful Lives (in years) | 6 years |
Gross Carrying Amount | $ 1,118.2 | 1,191.9
Accumulated Amortization | (811.1) | (848.6)
Total | $ 307.1 | 343.3
Trade names and trademarks |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted-Average Useful Lives (in years) | 5 years |
Gross Carrying Amount | $ 58.3 | 73.1
Accumulated Amortization | (51.9) | (58.1)
Total | $ 6.4 | 15.0
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted-Average Useful Lives (in years) | 8 years |
Gross Carrying Amount | $ 681.1 | 750.8
Accumulated Amortization | (419.3) | (446.6)
Total | $ 261.8 | 304.2
Distribution rights and other intellectual properties |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted-Average Useful Lives (in years) | 7 years |
Gross Carrying Amount | $ 45.8 | 68.7
Accumulated Amortization | (41.0) | (52.5)
Total | $ 4.8 | $ 16.2

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