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Consolidated Statements of Comprehensive Income (Parentheticals) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Taxes due to change in non-controlling interest's protion of accumulated other comprehensive income due to issuance of Partnership unit	$ 0	$ 68	$ 0
Taxes on hedging losses reclassified to earnings	195	208	(324)
Taxes on adjustment in fair value of derivatives	$ (159)	$ (26)	$ (406)

Tax effect on reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period.

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- Definition

Tax effect on the change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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