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Earnings Per Share | 6 Months Ended
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Jun. 30, 2025
Earnings Per Share [Abstract] |
Earnings Per Share | Earnings Per Share The following sets forth basic and diluted earnings per common share available to IPG common stockholders.
| Three months ended June 30, |  | Six months ended June 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Net income available to IPG common stockholders | $ | 162.5 |  |  | $ | 214.5 |  |  | $ | 77.1 |  |  | $ | 324.9 |
Weighted-average number of common shares outstanding - basic | 367.9 |  |  | 376.3 |  |  | 370.2 |  |  | 377.4 |
Dilutive effect of stock options and restricted shares | 2.2 |  |  | 2.4 |  |  | 2.3 |  |  | 2.3
Weighted-average number of common shares outstanding - diluted | 370.1 |  |  | 378.7 |  |  | 372.5 |  | 379.7
Earnings per share available to IPG common stockholders: |  |  |  |  |  |  |
Basic | $ | 0.44 |  |  | $ | 0.57 |  |  | $ | 0.21 |  |  | $ | 0.86 |
Diluted | $ | 0.44 |  |  | $ | 0.57 |  |  | $ | 0.21 |  |  | $ | 0.86 |

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- 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
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