Long-Term Debt - Schedule of Production Financing Loan and Other Loans (Details) $ in Thousands	12 Months Ended
	Dec. 27, 2020 USD ($)
Production Financing
Production financing loans, beginning balance	$ 202,870
Drawdowns	115,555
Repayments	(153,014)
Foreign exchange differences	50
Production financing loans, ending balance	165,461
Other Loans
Other loans, beginning balance	9,102
Drawdowns	28,768
Repayments	(32,504)
Foreign exchange differences	50
Other loans, ending balance	5,416
Production financing loan and other loans, beginning balance	211,972
Drawdowns	144,323
Repayments	(185,518)
Foreign exchange differences	100
Production financing loan and other loans, ending balance	$ 170,877