XML 23 R13.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Earnings per Share | 12 Months Ended
--- | ---
Dec. 31, 2023
Earnings Per Share [Abstract] |
Earnings per Share | Note 4. Earnings per Share Basic earnings per share is based on the weighted average number of common shares outstanding during the period. Diluted earnings per share includes the effect of options that are dilutive and outstanding during the period. Per share amounts are computed as follows:
|  | 2023 |  |  | 2022 |  |  | 2021 |
Numerator (in millions): |  |  |  |  |  |  |  |  |
Net income available to common stockholders |  | $ | 139.1 |  |  | $ | 133.0 |  |  | $ | 93.1 |
Denominator (in thousands): |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding |  |  | 24,851 |  |  |  | 24,787 |  |  |  | 24,647 |
Dilutive effect of stock options and awards |  |  | 171 |  |  |  | 195 |  |  |  | 207 |
Denominator for diluted earnings per share |  |  | 25,022 |  |  |  | 24,982 |  |  |  | 24,854 |
Net income per share, basic: |  | $ | 5.60 |  |  | $ | 5.37 |  |  | $ | 3.78 |
Net income per share, diluted: |  | $ | 5.56 |  |  | $ | 5.32 |  |  | $ | 3.75 |
In 2023, 2022 and 2021 the average number of anti-dilutive options excluded from the calculation of diluted earnings per share were 20,334, 79,145 and 18,378 respectively.

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 The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//260/tableOfContent Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-3 + Details
Name: | us-gaap_EarningsPerShareTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration