Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2018

Revenue From Contract With Customer [Abstract]

Summary of Disaggregated Net Sales

The following tables present our disaggregated net sales by Type of Major Good / Product Line, and Geography.  

	Thirteen Weeks Ended
(in thousands)	March 31, 2018		April 1, 2017
Powertrain	$	95,152	$	94,863
Chassis		66,999		55,484
Automotive Body		55,244		61,475
Hardware		9,867		9,803
Net Sales	$	227,262	$	221,625

	Thirteen Weeks Ended
(in thousands)	March 31, 2018		April 1, 2017
Net Sales to U.S. Customers	$	210,426	$	208,582
Net Sales to Non-U.S. Customers		16,836		13,043
Net Sales	$	227,262	$	221,625