Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Summary of Amount and Timing of Cash Flows From Operating Leases

The following table presents information about the amount and timing of cash flows arising from our operating leases as of December 31, 2021:

(Dollars in millions)
2022	$	28.0
2023		21.7
2024		17.7
2025		14.4
2026		10.4
Thereafter		25.0
Total lease payments	$	117.2
Less: Interest		(25.6	)
Present value of lease liabilities	$	91.6

Schedule of Supplemental Consolidated Balance Sheet Information Related to Leases

Supplemental consolidated balance sheet information related to leases is as follows:

	December 31,
	2021			2020
(Dollars in millions)
Operating leases:
Operating lease right-of-use assets	$	91.2		$	102.5
Current operating lease liabilities	$	21.3		$	21.2
Operating lease liabilities		70.3			81.3
Total operating lease liabilities	$	91.6		$	102.5
Weighted average remaining lease term, in years		5.8			6.4
Weighted average discount rate		7.4	%		7.5	%