Property, Plant, and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 822,208	$ 802,530
Less accumulated depreciation	(517,887)	(507,299)
Property, plant, and equipment, net	304,321	295,231
Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	18,740	19,928
Building [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	144,527	144,914
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	649,667	607,344
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 9,274	$ 30,344