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CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY
Unrealized gain on derivative instrument and reclassification, tax expense	$ 79
Dividends paid, per share (in dollars per share)	$ 0.0875

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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