Goodwill and Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in the carrying amount of goodwill

The changes in the carrying amount of goodwill for the years ended September 30, 2015 and 2016 were as follows:

	Goodwill		Accumulated Impairment			Net
Balance as of October 1, 2014	$	64,016	$	(40,394	)	$	23,622
Goodwill attributable to fiscal 2015 acquisitions	762		—			762
Balance as of September 30, 2015	64,778		(40,394		)	24,384
Goodwill attributable to fiscal 2016 acquisitions	6,541		—			6,541
Balance as of September 30, 2016	$	71,319	$	(40,394	)	$	30,925

Schedule of carrying amounts of intangible assets

The carrying amounts of intangible assets at September 30, 2016 and 2015 were as follows:

	September 30, 2016							September 30, 2015							Weighted- Average Amortization Period (Years)
	Gross Carrying Amount(1)		Accumulated Amortization(1)			Net Carrying Amount		Gross Carrying Amount(1)		Accumulated Amortization(1)			Net Carrying Amount
Intangible assets subject to amortization:
Trademarks/trade names/licenses	$	13,904	$	(3,137	)	$	10,767	$	12,470	$	(1,966	)	$	10,504	11
Customer relationships/non-compete agreements	23,867		(12,357		)	11,510		16,836		(9,773		)	7,063		7
Developed software and technology	772		(772		)	—		772		(772		)	—		5
	38,543		(16,266		)	22,277		30,078		(12,511		)	17,567
Intangible assets not subject to amortization:
Licenses	—		—			—		38		—			38
	$	38,543	$	(16,266	)	$	22,277	$	30,116	$	(12,511	)	$	17,605

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(1) Amounts include the impact of foreign currency translation adjustments.

Schedule of estimated amortization expense related to intangible assets subject to amortization

Estimated amortization expense related to intangible assets subject to amortization is as follows:

Year Ending September 30,	Estimated Amortization Expense
2017	$	3,598
2018	3,406
2019	2,979
2020	2,890
2021	2,472
Thereafter	6,932
	$	22,277