Other Expense (Income), Net (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 29, 2018	Sep. 30, 2017		Sep. 29, 2018	Sep. 30, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Litigation Settlement Expense	$ 0	$ (1,024)	[1]	$ 0	$ (1,024)	[1]

[1] In the second quarter of 2016, the Company recorded a charge of $9.0 million related to the settlement of a product recall dispute with a customer involving certain flexible resealable pouch products manufactured by the Company in 2013. The settlement amount included up to $4.0 million in rebates payable to the customer over a four-year period. In connection with the Company’s exit from its flexible resealable pouc h product lines and operations, the Company and the customer agreed to an upfront cash settlement of the remaining rebate obligation, resulting in a recovery of $1.0 million recognized in the third quarter of 2017.