Accrued Liabilities (Tables)

9 Months Ended

Mar. 31, 2015

Accrued Liabilities, Current [Abstract]

Schedule of accrued liabilities

Accrued liabilities consisted of the following as of March 31, 2015 and June 30, 2014:

($ in millions)	March 31, 2015		June 30, 2014
Accrued compensation and benefits	$	46.5	$	49.8
Derivative financial instruments	35.2		4.7
Accrued postretirement benefits	15.5		15.5
Accrued pension liabilities	6.5		19.3
Accrued interest expense	5.6		11.2
Accrued income taxes	—		8.4
Other	35.0		39.1
Total accrued liabilities	$	144.3	$	148.0