Quarterly report pursuant to Section 13 or 15(d)

Derivative Financial Instruments (Narrative) (Details)

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Derivative Financial Instruments (Narrative) (Details) - USD ($)
3 Months Ended
Jun. 30, 2018
Sep. 29, 2018
Dec. 30, 2017
Derivative Financial Instruments [Abstract]      
Derivative outstanding   $ 0 $ 0
Notional amount $ 105,000,000    
Derivative gain $ 739,000