PROPERTY, PLANT AND EQUIPMENT (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 29, 2015	Mar. 30, 2014	Dec. 28, 2014
Property, Plant and Equipment [Abstract]
Depreciation	$ 34,000,000	$ 33,200,000
Payments for capital projects	32,591,000	47,760,000
Transfer of property, plant and equipment	45,200,000
Proceeds from property disposals	867,000	1,511,000
Gain (loss) on property disposals	900,000	(600,000)
Assets held for sale	1,419,000		1,419,000
Idled assets property, plant and equipment, net	66,600,000
Idled asset property, plant and equipment gross	178,700,000
Idled asset accumulated depreciation	$ 112,100,000