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Business Combinations (Separately Recognized Transactions) (Details) - USD ($) $ in Millions |  | 6 Months Ended |
--- | --- | --- | ---
Feb. 02, 2018 | Jun. 29, 2018 | Dec. 29, 2017 | [1]
Business Acquisition [Line Items] |  |  |
Goodwill |  | $ 2,682.1 | $ 2,287.1
Series of Individually Immaterial Business Acquisitions [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Fair value of total purchase consideration |  | 543.1 |
Net tangible assets acquired |  | 1.5 |
Identifiable intangible assets |  | 144.9 |
Deferred income taxes |  | (25.0) |
Goodwill |  | 421.7 |
eBuilder [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Fair value of total purchase consideration | $ 485.2 | $ 485.2 |
Net tangible assets acquired | 92.3 |  |
Goodwill | $ 392.9 |  |
[1] | See Note 2 for a summary of adjustments

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- Definition Amount of deferred tax liability attributable to taxable temporary difference assumed at the acquisition date that are classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=84160947&loc=d3e2207-128464 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 + Details
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