Note 14 - Discontinued Operations (Details) - Summary Operating Results for Discontinued Operations (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Summary Operating Results for Discontinued Operations [Abstract]
Net sales	$ 0	$ 0	$ 57,017
Income (loss) on operations before taxes	0	0	(26,120)
Taxes on income (benefit)	0	0	(9,164)
Income (loss) on operations, net of tax	$ 0	$ 0	$ (16,956)

Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: 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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Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of 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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