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Note 2 - Dispositions and Exit Activities (Detail) - Discontinued Operations (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jul. 01, 2012
Jul. 03, 2011
Jul. 01, 2012
Jul. 03, 2011
Net sales $ 18,706 $ 43,112 $ 46,207 $ 71,027
Provision for income taxes 183 130 285 200
Income (Loss) from discontinued operations, net of tax 49 (2,325) (22) (4,178)
RedBlack Communications Inc [Member]
       
Net sales 951 443 2,137 984
Income (Loss) from discontinued operations 68 (174) 56 (358)
Provision for income taxes 12 12 23 24
Income (Loss) from discontinued operations, net of tax 56 (186) 33 (382)
Energy Services Business [Member]
       
Net sales   1,607   3,895
Income (Loss) from discontinued operations (7) (2,139) (55) (3,796)
Income (Loss) from discontinued operations, net of tax $ (7) $ (2,139) $ (55) $ (3,796)