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Business Combinations (Schedule Of Total Intangible Assets) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 29, 2017 | Dec. 30, 2016
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 1,555.3 | $ 1,348.7
Accumulated Amortization | (1,190.5) | (1,015.4)
Total | 364.8 | 333.3
Developed Product Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 915.3 | 794.8
Accumulated Amortization | (729.9) | (620.6)
Total | $ 185.4 | 174.2
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 | $ 58.7 | 50.9
Accumulated Amortization | (48.6) | (42.9)
Total | $ 10.1 | 8.0
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 5 years |
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 512.1 | 438.7
Accumulated Amortization | (351.3) | (294.1)
Total | $ 160.8 | 144.6
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 7 years |
Distribution Rights And Other Intellectual Properties [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 69.2 | 64.3
Accumulated Amortization | (60.7) | (57.8)
Total | $ 8.5 | $ 6.5
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 6 years |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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