Segment Information (Tables)

9 Months Ended

Aug. 28, 2011

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Following is information related to each reportable segment included in, and in a manner consistent with, internal management reports:

	Three Months Ended						Nine Months Ended
(In thousands)	August 28, 2011			August 29, 2010			August 28, 2011			August 29, 2010
Sales
Fiberglass-Composite Pipe	$	71,303		$	60,128		$	196,045		$	179,302
Water Transmission	41,409			41,432			105,423			108,532
Infrastructure Products	33,757			32,615			89,550			91,933
Eliminations	(1		)	24			(5		)	(6		)
Total Sales	$	146,468		$	134,199		$	391,013		$	379,761
Income/(Loss) Before Interest, Income Taxes and Equity in Loss of Affiliate
Fiberglass-Composite Pipe	$	11,777		$	14,784		$	35,841		$	46,614
Water Transmission	(3,160		)	2,121			(11,136		)	491
Infrastructure Products	4,160			3,436			4,944			7,020
Corporate and unallocated	(10,287		)	(9,679		)	(30,690		)	(28,575		)
Total Income/(Loss) Before Interest, Income Taxes and Equity in Loss of Affiliate	$	2,490		$	10,662		$	(1,041	)	$	25,550

(In thousands)	August 28, 2011			November 30, 2010
Assets
Fiberglass-Composite Pipe	$	312,918		$	335,135
Water Transmission	191,902			182,576
Infrastructure Products	102,464			92,729
Corporate and unallocated	292,969			343,070
Eliminations	(151,061		)	(171,941		)
Total Assets	$	749,192		$	781,569