Income Taxes - Components of Income Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 26, 2020	Dec. 28, 2019	Dec. 29, 2018
Income Tax Disclosure [Abstract]
Domestic	$ 144,770	$ 112,812	$ 105,455
Foreign	64,419	53,271	44,962
Income before income taxes	$ 209,189	$ 166,083	$ 150,417