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v3.19.3.a.u2

Business Combinations (Narrative) (Details) $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Jul. 02, 2018 USD ($) | Feb. 02, 2018 USD ($) | Jan. 03, 2020 USD ($) acquisition | Dec. 28, 2018 USD ($) acquisition | Dec. 29, 2017 USD ($) acquisition
Business Acquisition [Line Items] |  |  |  |  |
Number of Businesses Acquired | acquisition |  |  | 4 | 6 | 10
Payments to Acquire Businesses, Gross |  |  | $ 247.0 | $ 1,800.0 | $ 331.2
Acquisition-related costs |  |  | 20.5 | $ 38.9 | 7.4
Business Combination Pro Forma Information Revenue Of Acquiree Since Acquisition Date Actual Percentage Of Total Revenue |  |  |  | 5.00% |
Goodwill |  |  | $ 3,680.6 | $ 3,540.0 | $ 2,287.1
Maximum [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Combination Pro Forma Information Revenue Of Acquiree Since Acquisition Date Actual Percentage Of Total Revenue |  |  | 1.00% |  | 2.00%
Waterfall Holdings [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments to Acquire Businesses, Gross | $ 1,212.1 |  |  | 1,212.1 |
Goodwill | $ 863.8 |  |  |  |
eBuilder [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments to Acquire Businesses, Gross |  | $ 485.5 |  | 485.5 |
Goodwill |  | $ 392.3 |  |  |
Cash and Cash Equivalents [Member] | Viewpoint and e-Builder [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  |  | $ 211.2 |

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