Net Income per Share (Tables)

3 Months Ended

Mar. 31, 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 were:

	Three Months Ended March 31,
	2023		2022
Net Income - Omnicom Group Inc.	$	227.5	$	173.8
Weighted Average Shares:
Basic	202.2		208.3
Dilutive stock options and restricted shares	2.3		1.5
Diluted	204.5		209.8
Anti-dilutive stock options and restricted shares	—		0.5
Net Income per Share - Omnicom Group Inc.:
Basic	$1.13		$0.83
Diluted	$1.11		$0.83