Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v2.4.0.6
Fair Value Measurements (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Sep. 30, 2011
Assets:    
Trading securities $ 14,676 $ 13,426
Total assets at fair value 14,676 13,426
Liabilities:    
Derivatives 6,999 [1] 7,161 [1]
Total liabilities at fair value 6,999 7,161
Level 1 [Member]
   
Assets:    
Trading securities 14,676 13,426
Total assets at fair value 14,676 13,426
Liabilities:    
Derivatives 0 [1] 0 [1]
Total liabilities at fair value 0 0
Level 2 [Member]
   
Assets:    
Trading securities 0 0
Total assets at fair value 0 0
Liabilities:    
Derivatives 6,999 [1] 7,161 [1]
Total liabilities at fair value 6,999 7,161
Level 3 [Member]
   
Assets:    
Trading securities 0 0
Total assets at fair value 0 0
Liabilities:    
Derivatives 0 [1] 0 [1]
Total liabilities at fair value $ 0 $ 0
[1] Interest rate swaps are valued based on observable market swap rates.