Segment Information (Segment Results) (Details) $ in Millions	3 Months Ended	9 Months Ended
Sep. 28, 2018 USD ($)	Sep. 29, 2017 USD ($)	Sep. 28, 2018 USD ($) Business_Segments	Sep. 29, 2017 USD ($)
Segment Reporting Information [Line Items]
Number of segments reported \| Business_Segments			4
Sales	$ 4,853.1	$ 4,528.2	$ 14,529.5	$ 13,244.0
Operating profit	830.7	759.2	2,441.2	2,052.9
Other
Segment Reporting Information [Line Items]
Operating profit	(57.6)	(55.3)	(166.1)	(149.4)
Life Sciences \| Operating segments
Segment Reporting Information [Line Items]
Sales	1,596.7	1,392.6	4,677.9	4,085.0
Operating profit	312.8	246.8	875.6	680.0
Diagnostics \| Operating segments
Segment Reporting Information [Line Items]
Sales	1,502.5	1,448.7	4,573.1	4,216.0
Operating profit	235.1	242.7	757.4	554.9
Dental \| Operating segments
Segment Reporting Information [Line Items]
Sales	679.5	694.0	2,085.5	2,052.1
Operating profit	86.1	102.2	241.8	301.4
Environmental & Applied Solutions \| Operating segments
Segment Reporting Information [Line Items]
Sales	1,074.4	992.9	3,193.0	2,890.9
Operating profit	$ 254.3	$ 222.8	$ 732.5	$ 666.0

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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The net result for the period of deducting operating expenses from operating revenues.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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