PROPERTY, PLANT AND EQUIPMENT (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011
PROPERTY, PLANT AND EQUIPMENT [Abstract]
Depreciation	$ 135,500	$ 131,500	$ 192,600
Proceeds from property disposals	31,337	29,400	29,044
Gain on property disposals	(2,400)	(5,300)
Assets held for sale	7,033	27,042
Idled asset accumulated depreciation	80,800
Idled asset property, plant and equipment gross	134,600
Idled assets property, plant and equipment, net	53,800
Loss on scrapped assets	(4,600)	(4,000)
Assets held for sale, impairment charges	$ 3,600