PROPERTY, PLANT AND EQUIPMENT (Details Textual) (USD $)	3 Months Ended		9 Months Ended
	Sep. 23, 2012	Sep. 25, 2011	Sep. 23, 2012	Sep. 25, 2011	Dec. 25, 2011
Depreciation	$ 32,500,000	$ 49,400,000	$ 96,700,000	$ 144,400,000
Proceeds from property sales and disposals	16,200,000	2,600,000	28,687,000	7,502,000
Loss (gain) on property disposals	1,900,000	500,000	1,400,000	177,000
Assets held for sale	28,826,000		28,826,000		53,816,000
Impairment of Long-Lived Assets to be Disposed of			1,300,000
Idled Asset Accumulated Depreciation	58,800,000		58,800,000
Idled Asset Property Plant and Equipment Gross	149,700,000		149,700,000
Idled Assets Property, Plant and Equipment Net	90,900,000		90,900,000
Gain (Loss) on Sale of Other Assets	$ 2,600,000		$ 3,700,000