PROPERTY, PLANT, AND EQUIPMENT - Summary of Property, Plant, and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2014	Dec. 29, 2013
Property, Plant and Equipment [Abstract]
Land	$ 3,898	$ 3,898
Buildings and improvements	72,425	72,614
Machinery and equipment	199,503	195,249
Office equipment	172,149	172,317
Construction in progress	12,451	6,060
Total	460,426	450,138
Less accumulated depreciation	368,512	357,615
Property, plant, and equipment, net	91,914	92,523
Net assets held for sale	632	480
Total property, plant, and equipment, net	$ 92,546	$ 93,003