Net Income per Share (Tables)

3 Months Ended

Mar. 31, 2020

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 (in millions, except per share amounts):

	Three Months Ended March 31,
	2020		2019
Net Income Available for Common Shares:
Net income - Omnicom Group Inc.	$	258.1	$	263.2
Weighted Average Shares:
Basic	216.6		223.2
Dilutive stock options and restricted shares	0.9		1.0
Diluted	217.5		224.2
Anti-dilutive stock options and restricted shares	0.9		0.9
Net Income per Share - Omnicom Group Inc.:
Basic	$	1.19	$	1.18
Diluted	$	1.19	$	1.17