Accrued Liabilities (Tables)

9 Months Ended

Mar. 31, 2020

Accrued Liabilities, Current [Abstract]

Schedule of accrued liabilities

Accrued liabilities consisted of the following as of March 31, 2020 and June 30, 2019:

($ in millions)	March 31, 2020		June 30, 2019
Accrued compensation and benefits	$	44.1	$	71.2
Accrued postretirement benefits	14.7		14.7
Derivative financial instruments	14.5		16.7
Current portion of lease liabilities	11.7		—
Contract liabilities	11.0		10.5
Accrued interest expense	3.9		10.4
Accrued pension liabilities	3.4		3.4
Accrued income taxes	2.5		4.2
Other	30.6		26.5
Total accrued liabilities	$	136.4	$	157.6