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Interim Financial Statements (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
Interim Financial Statements (Details) (USD $) In Thousands	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Combined financial information regarding entities accounted for as discontinued operations
Revenues	$ 61,524	$ 86,346	$ 231,721	$ 268,549
Pre-tax (loss) income	(1,625)	(7,668)	(11,080)	(15,950)
Gain (loss) on disposal	$ 250		$ 2,016	$ (261)

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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