Restructuring Charges and Asset Impairment Charges (Tables)

12 Months Ended

Jun. 30, 2021

Restructuring and Related Activities [Abstract]

Restructuring and related costs

The reserve balances and activity for restructuring charges at June 30, 2021 and 2020 were as follows:

	June 30,
($ in millions)	2021		2020
Reserve balance beginning of year	$	9.5	$	—
Restructuring charges excluding non-cash impairments	1.2		13.0
Cash payments	(9.3)		(3.5)
Reserve balance end of year	$	1.4	$	9.5