Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2023

Commitments and Contingencies Disclosure [Abstract]

Lease cost, cash flows and other supplemental information related to operating leases

The following table summarizes the Company’s lease cost, cash flows and other supplemental information related to

its operating leases (Dollars in millions):

	Year Ended December 31,
	2023	2022
Operating lease cost	$58.5	$56.3
Sublease income	(5.9)	(6.0)
Total operating lease cost	$52.6	$50.3
Cash paid for amounts included in the measurement of operating lease liabilities	$68.3	$64.1
Weighted-average remaining lease term	10.4	10.8
Weighted-average discount rate	4.3%	4.2%

Maturities of operating lease liabilities

Maturities of lease liabilities related to operating leases were as follows (Dollars in millions):

Year ending December 31,
2024	$66.9
2025	63.4
2026	60.7
2027	61.3
2028	60.1
Thereafter	286.5
Total lease payments	$598.9
Less imputed interest	(110.8)
Total lease liabilities	$488.1