Financial Instruments - Schedule of Production Financing Loan and Other Loans (Details) $ in Thousands	9 Months Ended
	Sep. 27, 2020 USD ($)
Production Financing
Production financing loans, beginning balance	$ 209,651
Drawdowns	38,871
Repayments	(124,824)
Foreign exchange differences	(2,254)
Production financing loans, ending balance	121,444
Other Loans
Other loans, beginning balance	9,102
Drawdowns	22,853
Repayments	(22,668)
Foreign exchange differences	(289)
Other loans, ending balance	8,998
Production financing loan and other loans, beginning balance	218,753
Drawdowns	61,724
Repayments	(147,492)
Foreign exchange differences	(2,543)
Production financing loan and other loans, ending balance	$ 130,442