Operating Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Schedule of components lease expense

The components of lease expense were as follows:

($ in millions)	Years Ended December 31,
	2021		2020
Operating lease cost	$	4.3	$	4.5
Short-term lease cost	0.1		0.1
Total lease cost	$	4.4	$	4.6

Schedule of supplemental cash flow information related to operating leases

Supplemental cash flow information related to operating leases was as follows:

($ in millions)	Years Ended December 31,
	2021		2020
Cash paid for amounts included in the measurement of lease liabilities	$	4.3	$	4.5

($ in millions)	Years Ended December 31,
	2021		2020		2019
Cash	$	133.0	$	21.8	$	25.2
Restricted cash	0.7		0.5		0.3
Total cash and restricted cash shown in the Consolidated Statements of Cash Flows	$	133.7	$	22.3	$	25.5
Cash paid during the year for:
Interest	$	13.5	$	15.5	$	14.1
Income taxes	23.7		17.3		22.9

Supplemental balance sheet information related to operating leases

Supplemental balance sheet information related to operating leases were as follows:

($ in millions, except lease terms and discount rates)	December 31,
	2021			2020
Assets:
Right of use assets, included in Other assets	$	9.0		$	12.6
Liabilities:
Operating lease liabilities, included in Other liabilities	$	10.0		$	13.6
Weighted average remaining lease term	3.07			3.63
Weighted average discount rate	3.67		%	3.75		%

Schedule of future minimum lease payments under non-cancellable operating leases

Future minimum lease payments under non-cancellable operating leases as of December 31, 2021 are as follows:

($ in millions)
Year Ending December 31,
2022	$	4.2
2023	3.5
2024	2.0
2025	0.8
2026	—
Thereafter	—
Total future minimum lease payments	10.5
Less imputed interest	(0.5)
Total	$	10.0