Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

+ References

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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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Acquisitions and Divestitures - Divestiture (Details) £ in Millions, $ in Millions				9 Months Ended
	Jun. 19, 2020 GBP (£)	Jun. 19, 2020 USD ($)	Jul. 08, 2019 USD ($)	Sep. 26, 2020 USD ($)	Sep. 28, 2019 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net proceeds from sale of business				$ 187.8	$ 183.4
Gain on sale of business				$ (18.6)	$ 72.4
CSCI \| Rosemont Pharmaceuticals
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net proceeds from sale of business	£ 155.6	$ 195.0
Gain on sale of business		(18.7)
Foreign currency translation adjustment		$ (46.4)
CSCA \| Animal health
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net proceeds from sale of business			$ 182.5
Gain on sale of business			$ 71.7