Summary Of Significant Accounting Policies Summary of Significant Accounting Policies (Value of Leases acquired) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Accounting Policies [Abstract]
Unamortized value of below market leases	$ 0.4	$ 0.2
Unamortized value of in-place leases	$ 2.3	$ 3.3

This element represents the amount of value allocated by a lessor (acquirer) to lease agreements which exist at acquisition of a leased property. Such amount may include the value assigned to existing tenant relationships and excludes the market adjustment component of the value assigned for above or below-market leases acquired.

No definition available.

Name:	us-gaap_FiniteLivedIntangibleAssetAcquiredInPlaceLeases
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant