XML 49 R19.htm IDEA: XBRL DOCUMENT v2.4.0.6
Statements of Cash flows - Supplemental and Non-Cash Disclosures
3 Months Ended
Mar. 31, 2013
Statement Of Cash Flows Supplemental [Abstract]  
Cash Flow Supplemental Disclosures [Text Block]
       
  Six months ended March 31,
  2013 2012
 Supplemental Disclosures     
 Cash paid for interest$ 382 $ 368
 Cash paid for income taxes  16,829   14,110
 Non-cash Activities     
 Issuance of restricted common stock for asset acquisition  -    7,158
 Capital lease asset additions and related obligations  -    140
 Property and equipment acquisitions financed with accounts payable  391   201