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Goodwill and Other Intangible Assets

12 Months Ended

Sep. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

11) Goodwill and Other Intangible Assets

Goodwill

A summary of changes in the Company’s goodwill during the fiscal years ended September 30, 2023 and 2022 are as follows (in thousands):


Balance as of September 30, 2021	$	253,398
Fiscal year 2022 business combinations		3,072
Goodwill included within assets held for sale		(2,215	)
Other		(145	)
Balance as of September 30, 2022		254,110
Fiscal year 2023 business combinations		7,993
Balance as of September 30, 2023	$	262,103

Intangibles, net

Intangible assets subject to amortization consist of the following (in thousands):


	September 30,
	2023						2022
	Gross						Gross
	Carrying		Accum.				Carrying		Accum.
	Amount		Amortization		Net		Amount		Amortization		Net
Customer lists	$	418,190	$	358,855	$	59,335	$	409,980	$	345,237	$	64,743
Trade names and other intangibles		41,782		24,811		16,971		41,736		21,969		19,767
Total	$	459,972	$	383,666	$	76,306	$	451,716	$	367,206	$	84,510

Amortization expense for intangible assets was $18.6 million, $18.2 million, and $19.0 million, for the fiscal years ended September 30, 2023, 2022, and 2021, respectively. Total estimated annual amortization expense related to intangible assets subject to amortization, for the year ending September 30, 2024 and the four succeeding fiscal years ending September 30, is as follows (in thousands):


	Amount
2024	$	15,513
2025	$	13,232
2026	$	10,240
2027	$	9,530
2028	$	7,397