Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 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				Twenty-Six Weeks Ended
(in thousands)	June 30, 2018		July 1, 2017		June 30, 2018		July 1, 2017
Powertrain	$	99,224	$	95,365	$	194,375	$	190,228
Chassis		70,266		60,722		137,264		116,206
Automotive Body		57,289		61,530		112,534		123,004
Hardware		11,368		11,645		21,236		21,449
Net Sales	$	238,147	$	229,262	$	465,409	$	450,887

	Thirteen Weeks Ended				Twenty-Six Weeks Ended
(in thousands)	June 30, 2018		July 1, 2017		June 30, 2018		July 1, 2017
Net Sales to U.S. Customers	$	223,025	$	215,493	$	433,451	$	424,075
Net Sales to Non-U.S. Customers		15,122		13,769		31,958		26,812
Net Sales	$	238,147	$	229,262	$	465,409	$	450,887