Operating Leases (Tables)

12 Months Ended

Dec. 31, 2019

Operating lease charge. The following table summarizes the operating lease charge for the twelve months ended December 31, 2019:



	For the Twelve Months Ended
	December 31, 2019
	($ in millions)
Amortization charge on right-of-use operating leased assets	$	13.4
Interest on operating lease liabilities	4.6
Operating lease charge	$	18.0

Lessee, Operating Lease, Liability

Lease Liabilities. The following table summarizes the maturity of lease liabilities under non-cancellable leases as of December 31, 2019:



	December 31, 2019
	($ in millions)
Operating leases — maturities
2020	$	17.7
2021	16.4
2022	13.0
2023	12.2
2024	11.7
Later years	73.6
Total minimum lease payments	$	144.6
Less imputed interest	(31.4		)
Total lease liabilities	$	113.2

Summary of Other Lease Information

Other lease information. The following table summarizes the cash flows on operating leases for the twelve months ended December 31, 2019 and other supplemental information:



	For the Twelve Months Ended
	December 31, 2019
	($ in millions)
Cash paid for amounts included in the measurement of lease liabilities
- Operating cash outflow from operating leases	$	(18.0	)

Right-of-use assets obtained in exchange for lease obligations
- Operating leases	$	37.3

Reduction to Right-of-use assets resulting from reductions to lease obligations
- Operating leases	$	6.1

Weighted Averages
- Operating leases, remaining lease terms (years)	10.1
- Operating leases, average discount rate	5.0		%