v2.3.0.11

Segment Information (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Aug. 28, 2011 | Aug. 29, 2010 | Aug. 28, 2011 | Aug. 29, 2010 | Nov. 30, 2010
Segment Reporting Information [Line Items] |  |  |  |  |
Sales | $ 146,468 | $ 134,199 | $ 391,013 | $ 379,761 |
Income/(loss) before interest, income taxes and equity in loss of affiliate | 2,490 | 10,662 | (1,041) | 25,550 |
Assets | 749,192 |  | 749,192 |  | 781,569
Operating Segments [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Number of segments |  |  | 4 |  |
Reportable Segment [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Number of segments |  |  | 3 |  |
Fiberglass-Composite Pipe [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Sales | 71,303 | 60,128 | 196,045 | 179,302 |
Income/(loss) before interest, income taxes and equity in loss of affiliate | 11,777 | 14,784 | 35,841 | 46,614 |
Assets | 312,918 |  | 312,918 |  | 335,135
Water Transmission [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Sales | 41,409 | 41,432 | 105,423 | 108,532 |
Income/(loss) before interest, income taxes and equity in loss of affiliate | (3,160) | 2,121 | (11,136) | 491 |
Assets | 191,902 |  | 191,902 |  | 182,576
Infrastructure Products [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Number of segments |  |  | 2 |  |
Sales | 33,757 | 32,615 | 89,550 | 91,933 |
Income/(loss) before interest, income taxes and equity in loss of affiliate | 4,160 | 3,436 | 4,944 | 7,020 |
Assets | 102,464 |  | 102,464 |  | 92,729
Corporate and unallocated [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Income/(loss) before interest, income taxes and equity in loss of affiliate | (10,287) | (9,679) | (30,690) | (28,575) |
Assets | 292,969 |  | 292,969 |  | 343,070
Eliminations [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Sales | (1) | 24 | (5) | (6) |
Assets | $ (151,061) |  | $ (151,061) |  | $ (171,941)

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