Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule Finite-Lived Intangible Assets

The table below summarizes the major classes of our intangible assets:

	2023			2022
30 September	Gross	Accumulated Amortization/ Impairment	Net	Gross	Accumulated Amortization/ Impairment	Net
Finite-lived:
Customer relationships	$507.3	($262.2)	$245.1	$487.5	($226.3)	$261.2
Patents and technology	41.1	(26.7)	14.4	33.1	(16.3)	16.8
Other	76.7	(38.7)	38.0	73.4	(37.0)	36.4
Total finite-lived intangible assets	$625.1	($327.6)	$297.5	$594.0	($279.6)	$314.4
Indefinite-lived:
Trade names and trademarks	47.2	(10.1)	37.1	42.2	(9.1)	33.1
Total intangible assets	$672.3	($337.7)	$334.6	$636.2	($288.7)	$347.5

Schedule of Indefinite-Lived Intangible Assets

The table below summarizes the major classes of our intangible assets:

	2023			2022
30 September	Gross	Accumulated Amortization/ Impairment	Net	Gross	Accumulated Amortization/ Impairment	Net
Finite-lived:
Customer relationships	$507.3	($262.2)	$245.1	$487.5	($226.3)	$261.2
Patents and technology	41.1	(26.7)	14.4	33.1	(16.3)	16.8
Other	76.7	(38.7)	38.0	73.4	(37.0)	36.4
Total finite-lived intangible assets	$625.1	($327.6)	$297.5	$594.0	($279.6)	$314.4
Indefinite-lived:
Trade names and trademarks	47.2	(10.1)	37.1	42.2	(9.1)	33.1
Total intangible assets	$672.3	($337.7)	$334.6	$636.2	($288.7)	$347.5

Schedule of Projected Annual Amortization Expense

The table below details the amount of amortization expense expected to be recorded for our finite-lived intangible assets in each of the next five years and thereafter:

2024	$30.4
2025	29.2
2026	28.2
2027	27.7
2028	25.6
Thereafter	156.4
Total	$297.5