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Nature of Business and Basis of Presentation - Customers' Net Sales as a Percentage of Total Net Sales (Details) - Sales revenue, net - Customer concentration risk
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 29, 2019
Sep. 30, 2020
Sep. 29, 2019
General Motors Company        
Product Information [Line Items]        
Concentration risk (percentage) 14.00% 17.00% 15.00% 18.00%
Fiat Chrysler Automobiles        
Product Information [Line Items]        
Concentration risk (percentage) 13.00% 15.00% 14.00% 15.00%
Ford Motor Company        
Product Information [Line Items]        
Concentration risk (percentage) 12.00% 14.00% 10.00% 12.00%