Annual report pursuant to section 13 and 15(d)

Investments, deposits and other assets (Schedule of Realized Gains and Losses) (Details)

v2.4.0.6
Investments, deposits and other assets (Schedule of Realized Gains and Losses) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2011
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2010
Investments, deposits and other assets [Abstract]        
Realized gains   $ 8 $ 139 $ 281
Realized losses      [1] (1,685) [1] (40) [1]
Net gain (loss)   8 (1,546) 241
Recorded cooperative allocated surplus $ 1,685      
[1] During the second quarter of 2011, the Company fully reserved $1,685,000 in cooperative allocated surplus it had recorded based on its patronage allocation with Farm Credit.