Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 28, 2015	Mar. 29, 2014
Loss from discontinued operations:
Loss from discontinued operations, net of tax	$ (88)	$ (192)
Carousel [Member]
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax [Abstract]
Net sales	221	231
Loss before income taxes	(103)	(228)
Income tax benefit	(39)	(76)
Loss from discontinued operations, net of tax	(64)	(152)
Previously Discontinued Operations [Member]
Loss from discontinued operations:
Workers' compensation costs	(26)	(38)
Environmental remediation costs	(12)	(23)
Loss from discontinued operations, before taxes	(38)	(61)
Income tax benefit	(14)	(21)
Loss from discontinued operations, net of tax	$ (24)	$ (40)

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Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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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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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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The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities.

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