Cash Flow (Table)

3 Months Ended

Jun. 30, 2012

Schedule of Cash Flows - Supplemental and Noncash [Abstract]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

	Nine months ended June 30,
	2012		2011
Supplemental Disclosures
Cash paid for interest	$	589	$	416
Cash paid for income taxes		23,050		14,436
Non-cash Activities
Issuance of restricted common stock for asset acquisition		7,158		-
Capital lease asset additions and related obligations		140		-
Equipment acquisitions financed with accounts payable		145		102