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Note 2 - Dispositions and Exit Activities (Detail) - Discontinued Operations (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Oct. 02, 2011	Sep. 30, 2012	Oct. 02, 2011
Net sales	$ 26,181	$ 35,204	$ 72,388	$ 106,231
Provision (Benefit) for income taxes	(21)	132	264	332
Income (Loss) from discontinued operations, net of tax	200	4	178	(4,174)
RedBlack Communications Inc [Member]
Net sales	1,267	802	3,404	1,786
Income (Loss) from discontinued operations	(59)	16	(3)	(415)
Provision (Benefit) for income taxes	(196)	12	(174)	36
Income (Loss) from discontinued operations, net of tax	137	4	171	(451)
Energy Services Business [Member]
Net sales				3,895
Income (Loss) from discontinued operations	63		8	(3,796)
Income (Loss) from discontinued operations, net of tax	$ 63		$ 8	$ (3,796)

X

- Definition

Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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