Net Income (Loss) per Share (Tables)

6 Months Ended

Jun. 30, 2020

Net Income (Loss) per Share [Abstract]

Computations of Basic and Diluted Net Income (Loss) per Share

The computations of basic and diluted net income (loss) per share were (in millions, except per share amounts):

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Net Income (Loss) - Omnicom Group Inc.	$	(24.2)	$	370.7	$	234.0	$	633.9
Weighted Average Shares:
Basic	214.9		219.6		215.8		221.4
Dilutive stock options and restricted shares	0.5		1.3		0.7		1.1
Diluted	215.4		220.9		216.5		222.5
Anti-dilutive stock options and restricted shares	0.8		0.9		0.8		0.9
Net Income (Loss) per Share - Omnicom Group Inc.:
Basic	$	(0.11)	$	1.69	$	1.08	$	2.86
Diluted	$	(0.11)	$	1.68	$	1.08	$	2.85