Discontinued Operations (Schedule of Operating Results) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Discontinued Operations [Abstract]
Net sales		$ 9,491
Income from operations of discontinued business before tax		2,016
Gain on disposition of discontinued operations		57,968
Income tax expense		$ 12,814

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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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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