For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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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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Segment Information (Schedule Of Operations In Geographical Areas) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 27, 2019	Jun. 28, 2019	Mar. 29, 2019	Dec. 31, 2018	Sep. 28, 2018	Jun. 29, 2018	Mar. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales	$ 4,868.4	$ 4,378.0	$ 4,444.5	$ 4,220.2	$ 4,604.5	$ 4,173.6	$ 4,247.6	$ 4,022.8	$ 17,911.1	$ 17,048.5	$ 15,518.8
Property, plant and equipment, net	2,302.0				2,249.6				2,302.0	2,249.6	2,223.4
Reportable geographical components \| United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales									6,659.7	6,133.9	5,584.9
Property, plant and equipment, net	1,076.8				1,080.3				1,076.8	1,080.3	1,008.2
Reportable geographical components \| China
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales									2,307.9	2,169.4	1,856.4
Reportable geographical components \| Germany
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales									1,013.0	1,082.3	995.5
Property, plant and equipment, net	162.7				169.2				162.7	169.2	180.9
Reportable geographical components \| United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Property, plant and equipment, net	163.1				156.9				163.1	156.9	151.8
Reportable geographical components \| All other (each country individually less than 5% of total)
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales									7,930.5	7,662.9	7,082.0
Property, plant and equipment, net	$ 899.4				$ 843.2				$ 899.4	$ 843.2	$ 882.5
Geographic concentration risk \| Reportable geographical components \| Total sales
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage									5.00%	5.00%	5.00%
Geographic concentration risk \| Reportable geographical components \| Total property, plant and equipment
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk percentage									5.00%	5.00%	5.00%