Components Of Rental Income (Schedule Of Minimum Rent) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Minimum Rent [Line Items]
Straight-line rents	$ 1.8	$ 1.5	$ 2.6	$ 2.1
Above Market Leases [Member]
Minimum Rent [Line Items]
Amortization of Acquired Intangible Assets	(0.7)	(0.9)	(1.5)	(1.8)
Below Market Leases [Member]
Minimum Rent [Line Items]
Amortization Of Acquired Below Market Leases	$ 1.5	$ 1.2	$ 3.0	$ 2.3