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
	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