Commitment and Contingent Liabilities (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2020

Dec. 31, 2019

Commitment and Contingent Liabilities

Aggregate minimum rental commitments under non-cancelable leases

Aggregate minimum rental commitments under non-cancelable leases at September 30, 2020 are as follows ($ in millions):

2020 (remaining three months)	$	0.9
2021		3.7
2022		3.1
2023		0.4
2024		0.4
	$	8.5

Aggregate minimum rental commitments under non-cancelable operating leases at December 31, 2019 are as follows ($ in millions):

2020	$	3.5
2021		3.3
2022		2.9
2023		0.3
2024 and thereafter		0.3
	$	10.3