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Business Combinations (Narratives) (Details) - USD ($) $ in Millions |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Jul. 02, 2018 | Feb. 02, 2018 | Dec. 28, 2018 | Mar. 29, 2019
Waterfall Holdings [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business Combination, Consideration Transferred | $ 1,211.3 |  |  |
Business Acquisition, Goodwill, Expected Tax Deductible Amount |  |  |  | $ 95.8
eBuilder [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business Combination, Consideration Transferred |  | $ 485.5 |  |
Cash and Cash Equivalents [Member] | Viewpoint and e-Builder [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash Purchase Consideration |  |  | $ 211.2 |

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