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Discontinued Operations and Divestitures (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Gains on the disposals of discontinued operations
Gain on disposal of discontinued operations, before income tax expense	$ 36	$ 35
Income tax expense	13	13
Gain on disposal of discontinued operations, net of tax	$ 23	$ 22

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

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

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