Goodwill and Other Intangible Assets, Net (Tables)

12 Months Ended

Jun. 30, 2022

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 2022 and 2021 were as follows:

($ in millions)	June 30, 2020		Impairment		Other		June 30, 2021		June 30, 2022
Goodwill	$	372.2	$	—	$	3.8	$	376.0	$	376.0
Accumulated impairment losses	(81.8)		(52.8)		—		(134.6)		(134.6)
Total goodwill	$	290.4	$	(52.8)	$	3.8	$	241.4	$	241.4
Specialty Alloys Operations	$	195.5	$	—	$	—	$	195.5	$	195.5
Performance Engineered Products	94.9		(52.8)		3.8		45.9		45.9
Total goodwill	$	290.4	$	(52.8)	$	3.8	$	241.4	$	241.4

Schedule of other intangible assets, net

		June 30, 2022						June 30, 2021
($ 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	15 - 30	$	29.9	$	(25.3)	$	4.6	$	29.9	$	(24.3)	$	5.6
Customer relationships	10 - 15	70.8		(48.8)		22.0		70.8		(44.1)		26.7
Technology	10 - 15	3.6		(3.1)		0.5		3.6		(2.8)		0.8
Patents	14 - 20	11.4		(3.3)		8.1		11.4		(1.4)		10.0
Total		$	115.7	$	(80.5)	$	35.2	$	115.7	$	(72.6)	$	43.1