Accrued Liabilities

9 Months Ended

Mar. 31, 2018

Accrued Liabilities, Current [Abstract]

Accrued Liabilities

Accrued Liabilities

Accrued liabilities consisted of the following as of March 31, 2018 and June 30, 2017:

($ in millions)	March 31, 2018		June 30, 2017
Accrued compensation and benefits	$	65.7	$	59.1
Accrued postretirement benefits	15.5		15.5
Deferred revenue	12.1		9.8
Accrued interest expense	5.6		11.2
Derivative financial instruments	1.2		13.1
Other	28.3		31.2
Total accrued liabilities	$	128.4	$	139.9