Earnings Per Share (Notes)

12 Months Ended

Dec. 31, 2024

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.

	Years ended December 31,
	2024		2023		2022
Net income available to IPG common stockholders	$	689.5	$	1,098.4	$	938.0
Weighted-average number of common shares outstanding - basic	375.2		384.1		391.5
Dilutive effect of stock options and restricted shares	2.5		1.8		3.6
Weighted-average number of common shares outstanding - diluted	377.7		385.9		395.1
Earnings per share available to IPG common stockholders:
Basic	$	1.84	$	2.86	$	2.40
Diluted	$	1.83	$	2.85	$	2.37