Goodwill and Other Intangible Assets, Net (Tables)

12 Months Ended

Jun. 30, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill by Reportable Segment

The changes in the carrying amount of goodwill by reportable segment for fiscal years 2025 and 2024 were as follows:

	June 30,
($ in millions)	2023		Impairment		2024		2025
Goodwill	$	376.0	$	—	$	376.0	$	376.0
Accumulated impairment losses	(134.6)		(14.1)		(148.7)		(148.7)
Total goodwill	$	241.4	$	(14.1)	$	227.3	$	227.3
Specialty Alloys Operations	$	195.5	$	—	$	195.5	$	195.5
Performance Engineered Products	45.9		(14.1)		31.8		31.8
Total goodwill	$	241.4	$	(14.1)	$	227.3	$	227.3

Schedule of Other Intangible Assets, Net

Other intangible assets, net consisted of the following as of June 30, 2025 and 2024:

		June 30, 2025						June 30, 2024
($ in millions)	Useful Life (in Years)	Gross Carrying Amount		Accumulated Amortization		Net  Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net  Carrying Amount
Trademarks and trade names	30	$	29.9	$	(28.2)	$	1.7	$	29.9	$	(27.3)	$	2.6
Customer relationships	15	70.8		(63.0)		7.8		70.8		(58.2)		12.6
Total other intangibles		$	100.7	$	(91.2)	$	9.5	$	100.7	$	(85.5)	$	15.2