Intangible Assets, Goodwill and Acquisitions (Tables)

9 Months Ended

Jun. 30, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

Intangible assets as of June 30, 2018 and September 30, 2017 consisted of the following:

	June 30, 2018					September 30, 2017
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Customer relationships	$	624,530	$	(322,702	)	$	600,515	$	(275,993	)
Trademarks		230,900		(227,441	)		230,900		(184,151	)
Total intangible assets	$	855,430	$	(550,143	)	$	831,415	$	(460,144	)

Summary of Activity for Goodwill

The following is a summary of the activity for the periods ended September 30, 2017 and June 30, 2018 for goodwill:

	Maintenance Services		Development Services		Total
Balance, January 1, 2017	$	1,486,640	$	180,474	$	1,667,114
Acquisitions		36,659		—		36,659
Balance, September 30, 2017		1,523,299		180,474		1,703,773
Acquisitions		54,525		13,924		68,449
Balance, June 30, 2018	$	1,577,824	$	194,398	$	1,772,222