Accrued Liabilities (Tables)

12 Months Ended

Jun. 30, 2017

Accrued Liabilities, Current [Abstract]

Schedule of accrued liabilities

Accrued liabilities consisted of the following as of June 30, 2017 and 2016:

	June 30,
($ in millions)	2017		2016
Accrued compensation and benefits	$	59.1	$	41.8
Accrued postretirement benefits	15.5		13.8
Derivative financial instruments	13.1		31.6
Accrued interest expense	11.2		11.2
Deferred revenue	9.8		8.9
Accrued income taxes	5.1		1.5
Accrued pension liabilities	3.3		10.1
Other	22.8		20.3
Total accrued liabilities	$	139.9	$	139.2