Acquisitions - Pro Forma Information Adjustments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 26, 2021	Jun. 27, 2020	Jun. 26, 2021	Jun. 27, 2020
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment
Net income (loss)	$ 84,818	$ (8,873)	$ 146,143	$ 12,565
Amortization
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment
Net income (loss)	0	(837)	(280)	(1,676)
Depreciation
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment
Net income (loss)	0	47	7	95
Transaction costs
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment
Net income (loss)	128	(128)	835	(835)
Amortization of inventory step-up
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment
Net income (loss)	3,319	(1,659)	6,808	(6,796)
Income tax (expense) benefit of above items
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment
Net income (loss)	$ (724)	$ 541	$ (1,555)	$ 1,940