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EARNINGS PER COMMON SHARE (Tables)

12 Months Ended

Sep. 30, 2025

Earnings Per Share [Abstract]

Information to Calculate Basic and Diluted Earnings (Loss) Per Common Share

The following table presents information necessary to calculate basic and diluted net income (loss) per common share for the periods indicated:

			Year Ended September 30,
			2025						2024						2023
Net income (loss)			$	145.2					$	(34.9)					$	(380.1)
Basic net income (loss) per common share:
Weighted-average common shares outstanding during the period			57.6						56.8						56.0
Basic net income (loss) per common share			$	2.52					$	(0.61)					$	(6.79)
Diluted net income (loss) per common share:
Weighted-average common shares outstanding during the period			57.6						56.8						56.0
Dilutive potential common shares			1.1						—						—
Weighted-average number of common shares outstanding and dilutive potential common shares			58.7						56.8						56.0
Diluted net income (loss) per common share			$	2.47					$	(0.61)					$	(6.79)
Antidilutive stock options outstanding			0.5						0.4						0.4

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- References

No definition available.

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

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