Acquisitions (Details)				0 Months Ended	12 Months Ended		24 Months Ended	28 Months Ended					0 Months Ended	3 Months Ended		12 Months Ended				0 Months Ended				0 Months Ended		12 Months Ended			0 Months Ended					0 Months Ended
	Sep. 30, 2013 USD ($)	Sep. 30, 2012 USD ($)	Sep. 30, 2011 USD ($)	Jun. 02, 2011 TC USD ($)	Sep. 30, 2012 TC USD ($)	Aug. 31, 2012 TC	May 31, 2013 TC item	Sep. 30, 2013 TC USD ($)	Sep. 30, 2011 TC USD ($)	Jun. 02, 2011 TC Brand assets USD ($)	Jun. 02, 2011 TC Intangible technology assets USD ($)	Jun. 02, 2011 TC Covenants not to compete USD ($)	Oct. 02, 2011 Jacobs Trading, LLC USD ($)	Mar. 31, 2013 Jacobs Trading, LLC USD ($)	Dec. 31, 2012 Jacobs Trading, LLC USD ($)	Dec. 31, 2013 Jacobs Trading, LLC	Dec. 31, 2012 Jacobs Trading, LLC	Sep. 30, 2012 Jacobs Trading, LLC USD ($)	Sep. 30, 2013 Jacobs Trading, LLC USD ($)	Oct. 02, 2011 Jacobs Trading, LLC Restricted shares USD ($)	Oct. 02, 2011 Jacobs Trading, LLC Restricted shares Level 3 Put Option Analysis	Oct. 02, 2011 Jacobs Trading, LLC Vendor contract intangible asset USD ($)	Oct. 02, 2011 Jacobs Trading, LLC Covenants not to compete USD ($)	Oct. 02, 2011 Jacobs Trading, LLC Seller subordinated unsecured note USD ($)	Jul. 31, 2012 GoIndustry USD ($) item	Sep. 30, 2013 GoIndustry USD ($)	Jul. 31, 2012 GoIndustry GBP (£)	Jul. 31, 2012 GoIndustry Brand and technology intangible assets USD ($)	Nov. 02, 2012 NESA USD ($)	Sep. 30, 2013 NESA USD ($)	Nov. 02, 2012 NESA Vendor contract intangible asset USD ($)	Nov. 02, 2012 NESA Covenants not to compete USD ($)	Nov. 02, 2012 NESA Other intangible asset USD ($)	Nov. 02, 2012 NESA Minimum	Nov. 02, 2012 NESA Maximum
Acquisitions
Acquisition price				$ 15,989,000																					$ 11,600,000
Upfront cash payment				9,000,000									80,000,000																18,300,000
Fixed interest rate (as a percent)																								5.00%
Note issued to seller																								40,000,000
Stock consideration paid for acquisition (in shares)																				900,171
Stock consideration																				24,500,000
Discount rate (as a percent)																					15.00%
Number of months for which stock is not freely tradable																				6 months
Period of actual performance of the acquiree entity after the closing date of acquisition to calculate the earn-out						12 months	12 months									12 months	12 months
Number of twelve month periods after the closing date of acquisition during which revenue earned is used to calculate the earn-out							2
Period after the closing date of acquisition during which EBITDA earned is used to calculate the earn-out																																		P36M	P48M
Percentage EBITDA growth capped																													20.00%
Possible total earn out payment, low end of range																													0
Possible total earn out payment, high end of range				9,000,000									30,000,000																37,700,000
Estimated fair value of earn-out					0				6,989,000				8,300,000					14,500,000	0										18,000,000	18,300,000
Additional liability accrued (liability reversed)					(6,989,000)										5,100,000			6,200,000
Earn-out payments made								0						2,200,000	17,400,000
Share purchase price (in pound sterling per share)																											£ 0.73
Number of countries in North America, Europe and Asia in which the entity operates																									25
Purchase consideration allocated to acquired tangible assets, identifiable intangible assets, liabilities assumed and goodwill
Current assets				239,000
Cash																									10,091,000				3,760,000
Accounts receivable													4,710,000												3,987,000
Inventory													6,059,000												297,000
Prepaid expenses													120,000												1,075,000
Goodwill	211,711,000	185,771,000	40,549,000	14,167,000									110,226,000												34,152,000				27,009,000
Finite-lived intangible assets										623,000	250,000	700,000										33,300,000	2,400,000					4,877,000			3,936,000	1,400,000	225,000
Property and equipment				48,000									847,000												354,000				234,000
Current liabilities				(38,000)
Accounts payable													(1,837,000)												(5,788,000)
Accrued liabilities													(3,101,000)												(11,087,000)				(204,000)
Pension liability																									(6,468,000)
Due to customers																									(19,017,000)
Other liabilities																									(846,000)
Total consideration				15,989,000									152,724,000												11,627,000				36,360,000
Expected tax deductible amount of goodwill																									5,500,000
Percentage of expected tax deductible of goodwill																													75.00%
Revenue																										$ 38,600,000