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Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Sep. 30, 2025

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

Accumulated other comprehensive income (loss) is as follows:

			Foreign currency translation, net of income tax						Pension actuarial amortization, net of income tax												Total
			(in millions)
Balance as of September 30, 2023			$	(20.2)					$	(28.5)											$	(48.7)
Other comprehensive income			9.1						8.8												17.9
Balance as of September 30, 2024			(11.1)						(19.7)												(30.8)
Other comprehensive income			21.4						4.8												26.2
Balance as of September 30, 2025			$	10.3					$	(14.9)											$	(4.6)

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- References

No definition available.

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- Definition

Tabular disclosure of the components of accumulated other comprehensive income (loss).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481674/830-30-50-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481694/830-30-45-20

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