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CONSOLIDATED STATEMENTS OF CASH FLOWS NON CASH TRANSACTIONS (USD $)
3 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction $ 9,300,000  
Marketable Securities, Unrealized Gain (Loss) 11,000 15,000
Purchase and retirement of treasury shares: Number of shares 50,733 60,240
Purchase and retirement of treasury shares: Cost of shares $ 405,459 $ 417,063