Cash Flow (Table)

3 Months Ended

Mar. 31, 2013

Schedule of Cash Flows - Supplemental and Noncash [Abstract]

Schedule of Cash Flow, Supplemental Disclosures [Table 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