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Note 24 - Pro Forma Financial Information (Unaudited) (Detail) - Pro Forma Financial Information (USD $) In Millions, except Per Share data, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011
Revenues from rental property | $ 903.2 | $ 867.5
Net income | 228.5 | 174.7
Net income attributable to the Company’s common shareholders | $ 120.9 | $ 102.3
Net income attributable to the Company’s common shareholders per common share: |  |
Basic (in Dollars per share) | $ 0.30 | $ 0.25
Diluted (in Dollars per share) | $ 0.30 | $ 0.25

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- Definition Pro forma basic earnings per share or earnings per unit, which is commonly presented in initial public offerings based on the terms of the offering. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph b -Subparagraph 7 -Article 11 + Details
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