Accumulated Other Comprehensive Loss - Schedule of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	Mar. 30, 2018	Dec. 31, 2017
Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract]
Foreign currency	$ (5,283)	$ (5,963)
Pension loss, net of tax of $518 in 2018, and $527 in 2017	(7,946)	(7,713)
Accumulated other comprehensive loss	$ (13,229)	$ (13,676)