Net Income per Share (Tables)

9 Months Ended

Sep. 30, 2023

Net Income per Share [Abstract]

Computations of Basic and Diluted Net Income per Share

The computations of basic and diluted net income per share:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Net Income - Omnicom Group Inc.	$	371.9	$	364.5	$	965.7	$	886.7
Weighted Average Shares:
Basic	198.1		205.0		199.7		206.2
Dilutive stock options and restricted shares	1.8		1.3		2.3		1.4
Diluted	199.9		206.3		202.0		207.6
Anti-dilutive stock options and restricted shares	—		5.1		—		4.3
Net Income per Share - Omnicom Group Inc.:
Basic	$1.88		$1.78		$4.84		$4.30
Diluted	$1.86		$1.77		$4.78		$4.27