Components Of Rental Income (Schedule Of Minimum Rent) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Minimum Rent [Line Items]
Straight-line rents	$ 1.1	$ 1.8	$ 3.7	$ 3.8
Above Market Leases [Member]
Minimum Rent [Line Items]
Amortization of Acquired Intangible Assets	(0.5)	(0.8)	(2.0)	(2.6)
Below Market Leases [Member]
Minimum Rent [Line Items]
Amortization Of Acquired Below Market Leases	$ 1.3	$ 1.1	$ 4.3	$ 3.4