Investments In Joint Ventures (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Assets:
Current assets (includes receivables from related parties of $271 and $1,044, respectively)	$ 17,356	$ 12,965
Noncurrent assets	39,455	41,916
Total assets	56,811	54,881
Liabilities and Shareholders' Equity
Current liabilities (include liabilities to related parties of $18,534 and $6,433, respectively)	18,621	7,609
Noncurrent liabilities	10,850	17,077
Shareholders' Equity	27,340	30,195
Total Liabilities and Shareholders' Equity	$ 56,811	$ 54,881