Goodwill and Other Intangible Assets, net (Tables)

6 Months Ended

Dec. 31, 2020

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 the six months ended were as follows:

($ in millions)	June 30, 2020		Impairment		Other		December 31, 2020
Goodwill	$	372.2	$	—	$	3.8	$	376.0
Accumulated impairment losses	(81.8)		(52.8)		—		(134.6)
Total goodwill	$	290.4	$	(52.8)	$	3.8	$	241.4
Specialty Alloy Operations	$	195.5	$	—	$	—	$	195.5
Performance Engineered Products	94.9		(52.8)		3.8		45.9
Total goodwill	$	290.4	$	(52.8)	$	3.8	$	241.4

Schedule of other intangible assets, net

		June 30, 2020								December 31, 2020
($ in millions)	Useful Life (in Years)	Gross Carrying Amount		Accumulated Amortization		Accumulated Impairment		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Accumulated Impairment		Net Carrying Amount
Trademarks and trade names	15 - 30	$	33.5	$	(25.4)	$	(1.5)	$	6.6	$	33.5	$	(26.0)	$	(1.5)	$	6.0
Customer relationships	10 - 15	76.9		(41.2)		(1.2)		34.5		76.9		(43.6)		(4.2)		29.1
Non-compete agreements	5	0.2		(0.1)		(0.1)		—		0.2		(0.1)		(0.1)		—
Technology	15	7.3		(1.5)		(4.5)		1.3		7.3		(1.5)		(5.8)		—
Patents	14 - 20	11.4		(1.7)		—		9.7		11.4		(1.1)		—		10.3
Total		$	129.3	$	(69.9)	$	(7.3)	$	52.1	$	129.3	$	(72.3)	$	(11.6)	$	45.4