Acquisitions - Pro Forma Information Adjustments (Details) $ in Thousands	12 Months Ended
	Dec. 29, 2018 USD ($)
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment
Net income	$ 215,228
Amortization
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment
Net income	12,009
Transaction costs
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment
Net income	9,976
Amortization of inventory step-up
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment
Net income	36,927
Stock compensation
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment
Net income	5,845
Income tax impact of above items
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment
Net income	$ (15,446)