Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Discontinued Operations [Abstract]
Pre tax charges for environmental remediation related to sites of divested businesses	$ 1,425	$ 2,851	$ 1,144
Tax effect of discontinued operation - remediation charges	499
Benefit as a result of the expiration of a contingent liability			1,652
Worker's compensation claim related to a site of a divested business			$ 170

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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+ Details

- Definition

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

+ References

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+ Details