Customer Prepayments	6 Months Ended
	Jul. 02, 2021
Customer Prepayments [Abstract]
Customer Prepayments Investment Agreement [Text Block]	Customer PrepaymentsThe Company entered into investment and master supply agreements with a customer to procure equipment to manufacture product for the customer. The customer is providing prepayments to the Company in the amount of approximately $70 million in the aggregate to enable the Company to purchase and install certain equipment and make necessary infrastructure improvements to supply product to the customer. The Company will own the equipment and be responsible for operating and maintenance costs. The prepayment from the customer will be applied when commercial production of the product is sold and delivered to the customer in connection with a master supply agreement. Accordingly, as of July 2, 2021 and December 31, 2020, $66.9 million and $58.8 million, respectively, of prepayments are classified as Unearned Income in the Consolidated Balance Sheet, of which $2.2 million and $8.0 million, respectively, was received during the second quarter and first six months of 2021.