Significant Accounting Policies - Schedule rollforward of the allowance for credit losses for accounts receivable, notes receivable and other assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 27, 2022	Mar. 28, 2021
Allowance for Credit Loss
Current period provision for expected credit losses	$ 15,167	$ (1,098)
Allowance for Credit Losses
Non-cash impairment	11,160
Accounts Receivable
Allowance for Credit Loss
Balance at beginning of period	2,364
Current period provision for expected credit losses	2,613
Write-offs charged against the allowance	(126)
Balance at end of period	4,851
Allowance for Credit Losses
Non-cash impairment	14,600
Notes Receivable
Allowance for Credit Losses
Balance at beginning of period	1,500
Current period provision for expected credit losses	12,560
Recoveries collected	(6)
Balance at end of period	$ 14,054