XML 54 R39.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Earnings Per Share (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Earnings Per Share [Abstract] |
Schedule of Computation of Basic and Diluted Earnings Per Share | The following table sets forth the computation of basic and diluted earnings per share:
| Years Ended December 31,
(Dollars and shares in millions, except per share amounts) | 2023 |  | 2022 |  | 2021
Numerator: |  |  |  |  |
Net income | $ | 56.6 |  |  | $ | 116.6 |  |  | $ | 108.1 |
Denominator: |  |  |  |  |
Weighted average shares outstanding - basic | 18.6 |  |  | 18.8 |  |  | 18.7 |
Effect of dilutive shares | 0.1 |  |  | 0.2 |  |  | 0.2 |
Weighted average shares outstanding - diluted | 18.7 |  |  | 19.0 |  |  | 18.9 |
Basic earnings per share | $ | 3.04 |  |  | $ | 6.21 |  |  | $ | 5.77 |
Diluted earnings per share | $ | 3.03 |  |  | $ | 6.15 |  |  | $ | 5.73 |

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration