Annual report pursuant to Section 13 and 15(d)

Property and Equipment, Net - Sale of Easement (Details)

v3.3.1.900
Property and Equipment, Net - Sale of Easement (Details)
$ in Thousands
12 Months Ended
Sep. 30, 2015
USD ($)
Sep. 30, 2014
USD ($)
Sep. 30, 2013
USD ($)
a
Significant Acquisitions and Disposals [Line Items]      
Gain from sale of easement $ 17,139 $ 4,371 $ 20,894
Property      
Significant Acquisitions and Disposals [Line Items]      
Area of land (in acres) | a     11,600
Cost of land     $ 20,678
Gain from sale of easement     $ 20,300