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CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (UNAUDITED) (Parenthetical) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (UNAUDITED) [Abstract]
Unrealized gain on interest rate swap, income tax expense	$ 53

Tax effect of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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