NET LOSS (GAIN) ON DISPOSITION OF ASSETS, EARLY RETIRMENT AND OTHER IMPAIRMENT AND EXIT CHARGES (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Disclosure By Disposal Group
Severances and early retirement	$ 12,000	$ 28,000	$ 33,000	$ 148,000
Property, plant and equipment	(15,000)	2,000	(142,000)	(21,000)
Gain on impairment or sale of real estate	0	(6,908,000)	0	(6,910,000)
Total	(3,000)	(6,878,000)	(109,000)	(6,783,000)
Proceeds from sale of real estate		12,500,000
Pre-tax gain		7,200,000
Eastern and Western [Member]
Disclosure By Disposal Group
Severances and early retirement	8,000	26,000	13,000	111,000
Property, plant and equipment	(64,000)	(59,000)	(156,000)	(95,000)
Gain on impairment or sale of real estate	0	(6,908,000)	0	(6,910,000)
Total	(56,000)	(6,941,000)	(143,000)	(6,894,000)
Site-Built [Member]
Disclosure By Disposal Group
Severances and early retirement	1,000	0	1,000	1,000
Property, plant and equipment	(16,000)	(68,000)	29,000	(96,000)
Gain on impairment or sale of real estate	0	0	0	0
Total	(15,000)	(68,000)	30,000	(95,000)
All Other [Member]
Disclosure By Disposal Group
Severances and early retirement	3,000	2,000	19,000	36,000
Property, plant and equipment	65,000	129,000	(15,000)	170,000
Gain on impairment or sale of real estate	0	0	0	0
Total	$ 68,000	$ 131,000	$ 5,000	$ 206,000