Net Income per Common Share (Tables)

3 Months Ended

Mar. 31, 2017

Net Income per Common Share [Abstract]

Computations of Basic and Diluted Net Income per Common Share

The computations of basic and diluted net income per common share for the three months ended March 31, 2017 and 2016 were (in millions, except per share amounts):

	2017			2016
Net Income Available for Common Shares:
Net income - Omnicom Group Inc.	$	241.8		$	218.4
Net income allocated to participating securities	(0.5		)	(1.5		)
	$	241.3		$	216.9
Weighted Average Shares:
Basic	234.6			240.0
Dilutive stock options and restricted shares	1.9			1.1
Diluted	236.5			241.1
Anti-dilutive stock options and restricted shares	1.0			0.1
Net Income per Common Share - Omnicom Group Inc.:
Basic	$	1.03		$	0.90
Diluted	$	1.02		$	0.90