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Note 18 - Earnings and Dividends Per Share | 12 Months Ended
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Dec. 31, 2024
Notes to Financial Statements |
Earnings and Dividends Per Share [Text Block] | N ote 18 — E arnings and Dividends Per S hare Earnings Per Share The following is a summary of the earnings per share calculation for the years ended December 31, 2024, 2023 and 2022 (in millions, except per share data):
​ |  | Year ended December 31, |
​ |  | 2024 |  |  | 2023 |  |  | 2022 |
Net income attributable to JHG |  | $ | 408.9 |  |  | $ | 392.0 |  |  | $ | 372.4 |
Allocation of earnings to participating stock-based awards |  |  | (9.9 | ) |  |  | (11.2 | ) |  |  | (11.3 | )
Net income attributable to JHG common shareholders |  | $ | 399.0 |  |  | $ | 380.8 |  |  | $ | 361.1 |
​ |  | ​ |  |  | ​ |  |  | ​ |
Weighted-average common shares outstanding — basic |  |  | 155.4 |  |  |  | 160.4 |  |  |  | 161.7 |
Dilutive effect of nonparticipating stock-based awards |  |  | 0.4 |  |  |  | 0.1 |  |  |  | 0.3 |
Weighted-average common shares outstanding — diluted |  |  | 155.8 |  |  |  | 160.5 |  |  |  | 162.0 |
​ |  | ​ |  |  | ​ |  |  | ​ |
Earnings per share: |  | ​ |  |  | ​ |  |  | ​ |
Basic |  | $ | 2.57 |  |  | $ | 2.37 |  |  | $ | 2.23 |
Diluted |  | $ | 2.56 |  |  | $ | 2.37 |  |  | $ | 2.23 |
Dividends Per Share The payment of cash dividends is within the discretion of our Board of Directors and depends on many factors, including, but not limited to, our results of operations, financial condition, capital requirements, legal requirements and general business conditions. The following is a summary of cash dividends declared and paid for the years ended December 31, 2024, 2023 and 2022:
​ |  | Year ended December 31, |
​ |  | 2024 |  |  | 2023 |  |  | 2022 |
Dividends paid per share |  | $ | 1.56 |  |  | $ | 1.56 |  |  | $ | 1.55 |
On January 30, 2025, our Board of Directors declared a cash dividend of $0.39 per share. The quarterly dividend will be paid on February 27, 2025, to shareholders of record at the close of business on February 11, 2025.

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