ACQUISITION (Details Textual) (USD $)	1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 22, 2012	Apr. 28, 2013	Apr. 29, 2012	Apr. 28, 2013	Apr. 29, 2012	Oct. 28, 2012
Business Acquisition, Effective Date of Acquisition	Jun. 22, 2012
Business Acquisition, Date of Acquisition Agreement	May 02, 2012
Business Acquisition, Name of Acquired Entity	Metl-Span LLC
Business Acquisition, Cost of Acquired Entity, Cash Paid	$ 4,700,000
Goodwill	71,700,000	76,856,000		76,856,000		76,746,000
Operating income (loss)		(1,945,000)	4,944,000	(1,547,000)	9,229,000
Acquisition Costs, Period Cost			1,500,000		1,900,000
Metl Span [Member]
Business Acquisition, Cost of Acquired Entity, Cash Paid	145,700,000
Revenues				91,700,000
Operating income (loss)				$ 6,000,000