XML 53 R39.htm IDEA: XBRL DOCUMENT
v3.25.3

Note 14 - Earnings and Dividends Per Share (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three months ended |  |  | Nine months ended |
|  | September 30, |  |  | September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Net income attributable to JHG |  | $ | 142.1 |  |  | $ | 27.3 |  |  | $ | 412.7 |  |  | $ | 287.1 |
Allocation of earnings to participating stock-based awards |  |  | (3.3 | ) |  |  | (0.7 | ) |  |  | (8.9 | ) |  |  | (6.8 | )
Net income attributable to JHG common shareholders |  | $ | 138.8 |  |  | $ | 26.6 |  |  | $ | 403.8 |  |  | $ | 280.3 |
Weighted-average common shares outstanding — basic |  |  | 150.6 |  |  |  | 154.4 |  |  |  | 152.8 |  |  |  | 155.8 |
Dilutive effect of nonparticipating stock-based awards |  |  | 0.7 |  |  |  | 0.3 |  |  |  | 0.6 |  |  |  | 0.2 |
Weighted-average common shares outstanding — diluted |  |  | 151.3 |  |  |  | 154.7 |  |  |  | 153.4 |  |  |  | 156.0 |
Earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.92 |  |  | $ | 0.17 |  |  | $ | 2.64 |  |  | $ | 1.80 |
Diluted |  | $ | 0.92 |  |  | $ | 0.17 |  |  | $ | 2.63 |  |  | $ | 1.80 |
Dividends Declared [Table Text Block] |
Dividend |  | Date |  | Dividends paid |  | Date
per share |  | declared |  | (in millions) |  | paid
$ | 0.39 |  | January 30, 2025 |  | $ | 61.5 |  | February 27, 2025
$ | 0.40 |  | April 30, 2025 |  | $ | 63.8 |  | May 29, 2025
$ | 0.40 |  | July 30, 2025 |  | $ | 62.4 |  | August 28, 2025

X
- Definition Tabular disclosure of information related to dividends declared, including paid and unpaid dividends. + References No definition available. + Details
Name: | us-gaap_DividendsDeclaredTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
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

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