Investments and Dispositions (Details) (USD $)	3 Months Ended	6 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Jun. 30, 2012	Sep. 30, 2012	Apr. 04, 2007 acres
Schedule of Equity Method Investments [Line Items]
Proceeds from Sale of Property, Plant, and Equipment	$ 24,100,000.0
Gain on sale or acquisition of real estate		600,000	400,000
Payments to Acquire Productive Assets		18,893,000	40,424,000	122,700,000
Property Securing Mortgage Note, Number of Acre					696
Entertainment Reportable Operating Segment [Member]
Schedule of Equity Method Investments [Line Items]
Number of properties acquired (in properties)		6
Payments to Acquire Productive Assets				34,600,000
Education Reportable Operating Segment [Member]
Schedule of Equity Method Investments [Line Items]
Number of properties acquired (in properties)		13
Payments to Acquire Productive Assets				60,500,000
Recreation Reportable Operating Segment [Member]
Schedule of Equity Method Investments [Line Items]
Number of properties acquired (in properties)		4
Payments to Acquire Productive Assets				24,800,000
Other Reportable Operating Segment [Member]
Schedule of Equity Method Investments [Line Items]
Payments to Acquire Productive Assets				2,800,000
Public Charter School Property Member
Schedule of Equity Method Investments [Line Items]
Payments to Acquire Productive Assets		$ 3,300,000