Other expense (income), net (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 28, 2020	Mar. 30, 2019
Other Nonoperating Income (Expense) [Abstract]
Foreign currency losses (gains), net	$ 7,608	$ (1,110)
All other, net	(1,929)	(2,626)
Total other expense (income), net	$ 5,679	$ (3,736)

Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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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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Amount of income (expense) related to nonoperating activities, classified as other.

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