Accrued Liabilities (Tables)

12 Months Ended

Jun. 30, 2019

Accrued Liabilities, Current [Abstract]

Schedule of accrued liabilities

Accrued liabilities consisted of the following as of June 30, 2019 and 2018:

	June 30,
($ in millions)	2019		2018
Accrued compensation and benefits	$	71.2	$	83.3
Derivative financial instruments	16.7		—
Accrued postretirement benefits	14.7		15.4
Deferred revenue	10.5		10.4
Accrued interest expense	10.4		10.4
Accrued income taxes	4.2		1.4
Accrued pension liabilities	3.4		3.3
Other	26.5		24.4
Total accrued liabilities	$	157.6	$	148.6