Note 13 - Business Segment Information (Tables)

12 Months Ended

Sep. 28, 2013

Segment Reporting [Abstract]

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

	Year Ended
(In thousands)	September 28, 2013		September 29, 2012		October 1, 2011
Net sales:
United States	$	357,890	$	358,539	$	329,168
Foreign		6,006		4,764		7,741
Total	$	363,896	$	363,303	$	336,909
Long-lived assets:
United States	$	90,922	$	92,862	$	93,490
Foreign		-		-		-
Total	$	90,922	$	92,862	$	93,490

Revenue from External Customers by Products and Services [Table Text Block]

	Year Ended
(In thousands)	September 28, 2013		September 29, 2012		October 1, 2011
Net sales:
Welded wire reinforcement	$	227,957	$	230,049	$	208,741
Prestressed concrete strand		135,939		133,254		128,168
Total	$	363,896	$	363,303	$	336,909