Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 28, 2020	Mar. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 123,988	$ 120,555
Other comprehensive loss, net of tax effects:
Foreign currency translation adjustments	(9,618)	1,223
Changes in defined benefit plan liabilities	(31)	(2,518)
Total other comprehensive loss, net of tax effects	(9,649)	(1,295)
Comprehensive income	$ 114,339	$ 119,260

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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