Restructuring Charges (Tables)

12 Months Ended

Jun. 30, 2015

Restructuring and Related Activities [Abstract]

Schedule of components of the restructuring charges

The restructuring charges for fiscal year 2015 amounted to $29.1 million before taxes. The components of the restructuring charges for the years ended June 30, 2015, 2014 and 2013 were as follows:    

	Years Ended June 30,
($ in millions)	2015		2014		2013
Personnel-related costs	$	12.7	$	—	$	—
Site closure costs	3.0		—		—
Material development program exit costs	13.4		—		—
	$	29.1	$	—	$	—

Schedule of activity and reserve balances for restructuring

Activity and reserve balances for restructuring charges at June 30, 2015 and 2014 were as follows:

($ in millions)	Reserve Balance
Reserve balance at June 30, 2014	$	—
Restructuring charges	29.1
Cash payments	(10.9		)
Payments from qualified pension plan associated with restructuring charges	(8.3		)
Non-cash asset impairment charges and other	(7.6		)
Reserve balance at June 30, 2015	$	2.3