Business (Details)	Sep. 30, 2012 sqft outletcenters
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number Of Owned And Operated Outlet Centers	36
Total Gross Leaseable Area of Outlet Centers	10,700,000
Number of Operated and Partially Owned Outlet Center	3
Gross Leaseable Area of Operated and Partially Owned Outlet Centers	1,200,000