Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Operating income exclusive of costs of global operations, sales and marketing, information systems, finance and administration groups.

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Segment and Geographic Data, Operating Margin Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 31, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating margin reconciliation [Abstract]
Segment Operating Income									$ 543,696	$ 755,888	$ 581,740
Restructuring and Severance Costs	$ (16,884)	$ (7,255)	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	(24,139)	0	(11,273)
Consolidated Operating Income (Loss)	$ 24,178	$ 51,028	$ 79,489	$ 107,735	$ 119,667	$ 138,098	$ 123,293	$ 104,062	262,430	485,120	324,005
Unallocated Other Income (Expense)									(36,132)	(68,344)	(44,641)
Consolidated Income Before Taxes									226,298	416,776	279,364
Unallocated Amount to Segment [Member]
Operating margin reconciliation [Abstract]
Segment Operating Income									$ (257,127)	$ (270,768)	$ (246,462)