Goodwill and Other Intangible Assets - Rollforward of Goodwill (Details) $ in Millions	6 Months Ended
Jun. 28, 2019 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 6,133.1
Adjustments to preliminary purchase price allocations for acquisitions completed in 2018	40.4
Attributable to 2019 acquisitions	1,565.7
Foreign currency translation & other	11.7
Ending balance	$ 7,750.9

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Section 45
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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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