Financial Instruments - Schedule of Production Financing Loan and Other Loans (Details) $ in Thousands	6 Months Ended
	Jun. 28, 2020 USD ($)
Production Financing
Production financing loan, beginning balance	$ 209,651
Drawdowns	26,275
Repayments	(90,693)
Foreign exchange differences	(3,268)
Production financing loan, ending balance	141,965
Other Loans
Other loans, beginning balance	9,102
Drawdowns	12,904
Repayments	(15,169)
Foreign exchange differences	(418)
Other loans, ending balance	6,419
Production financing loan and other loans, beginning balance	218,753
Drawdowns	39,179
Repayments	(105,862)
Foreign exchange differences	(3,686)
Production financing loan and other loans, ending balance	$ 148,384