Leases (Tables)

6 Months Ended

Dec. 31, 2021

Leases [Abstract]

Summary of lease cost

The following table sets forth the components of the Company's lease cost for the three and six months ended December 31, 2021 and December 31, 2020:

	Three Months Ended December 31,				Six Months Ended December 31,
($ in millions)	2021		2020		2021		2020
Operating lease cost	$	2.5	$	3.2	$	5.0	$	6.8
Short-term lease cost	0.8		0.7		1.7		1.6
Variable lease cost	0.1		0.1		0.3		0.2
Sublease income	(0.2)		(0.2)		(0.5)		(0.3)
Total lease cost	$	3.2	$	3.8	$	6.5	$	8.3
Operating cash flow payments from operating leases	$	2.8	$	3.3	$	5.6	$	6.9
Non-cash ROU assets obtained in exchange for lease obligations	$	15.1	$	—	$	15.5	$	1.4

The following table sets forth the Company's weighted-average remaining lease term and weighted-average discount rate at December 31, 2021 and June 30, 2021:

	December 31, 2021		June 30, 2021
Weighted-average remaining lease term - operating leases	8.8 years		8.4 years
Weighted-average discount rate - operating leases	3.5	%	4.0	%

Summary of right-of-use assets and lease liabilities

The following table sets forth the Company's ROU assets and lease liabilities at December 31, 2021 and June 30, 2021:

($ in millions)	December 31, 2021		June 30, 2021
Operating lease assets:
Other assets	$	46.7	$	34.3
Operating lease liabilities:
Accrued liabilities	$	9.7	$	9.0
Other liabilities	46.9		35.5
Total operating lease liabilities	$	56.6	$	44.5

Schedule of minimum lease payments for operating leases expiring

Minimum lease payments for operating leases expiring subsequent to December 31, 2021 are as follows:

($ in millions)	December 31, 2021
2022 (remaining period of fiscal year)	$	5.3
2023	10.8
2024	8.5
2025	6.2
2026	5.0
Thereafter	30.9
Total future minimum lease payments	66.7
Less imputed interest	(10.1)
Total	$	56.6