Accrued Liabilities (Tables)

12 Months Ended

Jun. 30, 2018

Accrued Liabilities, Current [Abstract]

Schedule of accrued liabilities

Accrued liabilities consisted of the following as of June 30, 2018 and 2017:

	June 30,
($ in millions)	2018		2017
Accrued compensation and benefits	$	83.3	$	59.1
Accrued postretirement benefits	15.4		15.5
Accrued interest expense	10.4		11.2
Deferred revenue	10.4		9.8
Accrued pension liabilities	3.3		3.3
Accrued income taxes	1.4		5.1
Derivative financial instruments	—		13.1
Other	24.4		22.8
Total accrued liabilities	$	148.6	$	139.9