Goodwill and Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

The following table sets forth the change in the carrying amount of goodwill during the years ended September 30, 2019 and 2018, respectively (in thousands):

Balance as of September 30, 2017	$	1,251,986
Acquisitions		1,240,913
Translation and other adjustments		(1,120	)
Balance as of September 30, 2018	$	2,491,779


Balance as of September 30, 2018	$	2,491,779
Acquisitions¹		(513	)
Translation and other adjustments		(676	)
Balance as of September 30, 2019	$	2,490,590

____________________________

Reflects purchase accounting adjustments related to fiscal year 2018 acquisition of Atlas Supply, Inc. (see Note 3 for further discussion).

Summary of Intangible Assets

The following table summarizes intangible assets by category (in thousands, except time period amounts):

	September 30,						Weighted- Average Remaining Life¹
	2019			2018			(Years)
Amortizable intangible assets:
Non-compete agreements	$	2,824		$	2,824			2.49
Customer relationships		1,530,970			1,530,565			17.65
Trademarks		10,500			10,500			6.92
Beneficial lease arrangements		8,060			8,060			3.59
Total amortizable intangible assets		1,552,354			1,551,949
Accumulated amortization		(619,864	)		(410,633	)
Total amortizable intangible assets, net	$	932,490		$	1,141,316
Indefinite lived trademarks		193,050			193,050
Total intangibles, net	$	1,125,540		$	1,334,366

¹ As of September 30, 2019

Summary of Estimated Future Amortization

The following table summarizes the estimated future amortization expense for intangible assets (in thousands):

Year Ending September 30,
2020	$	179,549
2021		149,980
2022		121,431
2023		97,522
2024		78,873
Thereafter		305,135
Total future amortization expense	$	932,490