Net Income Per Share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Schedule of earnings per share, basic and diluted

The Company computed basic and diluted net income per share attributable to Juniper Networks common stockholders as follows (in millions, except per share amounts):

	Three Months Ended March 31,
	2016		2015
Numerator:
Net income	$	91.4	$	80.2
Denominator:
Weighted-average shares used to compute basic net income per share	383.2		407.1
Dilutive effect of employee stock awards	6.1		7.1
Weighted-average shares used to compute diluted net income per share	389.3		414.2
Net income per share attributable to Juniper Networks common stockholders:
Basic	$	0.24	$	0.20
Diluted	$	0.23	$	0.19
Anti-dilutive:
Potential anti-dilutive shares	4.0		6.4