Goodwill and Other Intangible Assets, Net (Tables)

12 Months Ended

Jun. 30, 2015

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 2015 and 2014 were as follows:

($ in millions)	June 30, 2013			Other		June 30, 2014			Other			June 30, 2015
Goodwill	$	292.4		$	—	$	292.4		$	(0.3	)	$	292.1
Accumulated impairment losses	(34.7		)	—		(34.7		)	—			(34.7		)
Total goodwill	$	257.7		$	—	$	257.7		$	(0.3	)	$	257.4
Specialty Alloys Operations	$	195.5		$	—	$	195.5		$	—		$	195.5
Performance Engineered Products	62.2			—		62.2			(0.3		)	61.9
Total goodwill	$	257.7		$	—	$	257.7		$	(0.3	)	$	257.4

Schedule of other intangible assets, net

		June 30, 2015							June 30, 2014
($ 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	2.5 - 30	$	42.0	$	(29.0	)	$	13.0	$	42.0	$	(27.2	)	$	14.8
Customer relationships	5 - 15	78.2		(21.3		)	56.9		78.2		(15.2		)	63.0
Non-compete agreements	6.5	5.4		(3.7		)	1.7		5.4		(2.9		)	2.5
Contracts	2.9	1.5		(1.5		)	—		1.5		(1.2		)	0.3
Total		$	127.1	$	(55.5	)	$	71.6	$	127.1	$	(46.5	)	$	80.6