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Consolidated Statement of Operations Parenthetical (Parentheticals) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended
	Nov. 30, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Gain (loss) on disposal of discontinued operations	$ 900	$ 0	$ 922	$ 0

Pretax gain (loss), not previously recognized and resulting from the sale of a business component, which is recognized at the date of sale. A gain (loss) reflects the amount by which the consideration received exceeds (is exceeded by) the net carrying amount (reflecting previous provisions for loss on disposal, if any) of the disposal group.

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