Revenue Recognition (Tables)

9 Months Ended

Sep. 29, 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				Thirty-Nine Weeks Ended
(in thousands)	September 29, 2018		September 30, 2017		September 29, 2018		September 30, 2017
Powertrain	$	100,994	$	94,177	$	295,363	$	284,393
Chassis		69,214		57,281		206,483		173,498
Automotive Body		67,000		62,791		179,539		185,804
Hardware		10,746		10,366		31,978		31,807
Net Sales	$	247,954	$	224,615	$	713,363	$	675,502

	Thirteen Weeks Ended				Thirty-Nine Weeks Ended
(in thousands)	September 29, 2018		September 30, 2017		September 29, 2018		September 30, 2017
Net Sales to U.S. Customers	$	229,761	$	210,347	$	663,212	$	634,422
Net Sales to Non-U.S. Customers		18,193		14,268		50,151		41,080
Net Sales	$	247,954	$	224,615	$	713,363	$	675,502