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Derivatives and Financial Instruments - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 29, 2019
Sep. 29, 2019
Dec. 31, 2018
Derivative [Line Items]      
Derivative loss deferred in equity   $ 800,000 $ 800,000
Derivative (loss) gain transferred to consolidated income statement $ 100,000    
Long-term debt outstanding 105,600,000 105,600,000 77,100,000
Debt issuance costs 1,100,000 1,100,000 1,400,000
Variable interest rate debt 31,700,000 31,700,000 0
Accounts and Other Receivables      
Derivative [Line Items]      
Derivative financial assets 100,000 100,000 100,000
Other Current Liabilities      
Derivative [Line Items]      
Derivative financial liabilities 100,000 100,000 0
Bank and other loans      
Derivative [Line Items]      
Long-term debt outstanding $ 106,700,000 $ 106,700,000 $ 75,000,000