Income Taxes - Components of Income Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015
Income Tax Disclosure [Abstract]
Domestic	$ 76,876	$ 103,576	$ 121,614
Foreign	50,096	42,454	10,175
Income before income taxes	$ 126,972	$ 146,030	$ 131,789