Business Combinations - Purchase Price and Allocation of Assets and Liabilities (Details) - USD ($) $ in Thousands	May 03, 2016	Mar. 31, 2017	Sep. 30, 2015
Business Acquisition [Line Items]
Goodwill and other intangible assets, net		$ 25,989	$ 35,000
Dayna International, LLC
Business Acquisition [Line Items]
Cash	$ 36,720
Common stock, fair value	2,500
Business Combination, Consideration Transfered, Net of Cash Acquired	39,220
Cash and cash equivalents	4,009
Accounts receivable	5,712
Other current assets	444
Total current assets	10,165
Accounts payable and accrued expenses	(5,013)
Payroll liabilities	(1,432)
Net working capital surplus	3,720
Property and equipment, net	403
Other long term assets	81
Net identifiable assets acquired	18,107
Goodwill and other intangible assets, net	17,393
Net assets acquired	39,220
Customer Relationships [Member] | Dayna International, LLC
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	16,626
Noncompete Agreements [Member] | Dayna International, LLC
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	480
Trade Names [Member] | Dayna International, LLC
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 517