PROPERTY, PLANT AND EQUIPMENT (Narrative) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013	Dec. 29, 2013
Property, Plant and Equipment [Abstract]
Depreciation	$ 33,900,000	$ 34,200,000	$ 67,200,000	$ 68,000,000
Acquisitions of property, plant and equipment			90,814,000	48,969,000
Transfer of property, plant and equipment			49,400,000
Proceeds from property disposals	2,800,000	1,200,000	4,357,000	2,883,000
Gain on property disposals	(1,900,000)	100,000	(1,400,000)	2,100,000
Loss on scrapped assets	200,000	1,300,000	300,000	1,300,000
Assets held for sale	5,415,000		5,415,000		7,033,000
Idled assets property, plant and equipment, net	75,400,000		75,400,000
Idled asset property, plant and equipment gross	185,400,000		185,400,000
Idled asset accumulated depreciation	$ 110,000,000		$ 110,000,000