Net Income Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Computation Of Basic And Diluted Net Income Per Share

The following table presents the computation of basic and diluted net income per share attributable to Intuitive Surgical, Inc. (in millions, except per share amounts):

	Years Ended December 31,
	2019		2018		2017
Numerator:
Net income attributable to Intuitive Surgical, Inc.	$	1,379.3	$	1,127.9	$	670.9
Denominator:
Weighted average shares outstanding used in basic calculation	115.4		113.7		111.7
Add: dilutive effect of potential common shares	4.1		5.1		4.6
Weighted average shares outstanding used in diluted calculation	119.5		118.8		116.3
Net income per share attributable to Intuitive Surgical, Inc.:
Basic	$	11.95	$	9.92	$	6.01
Diluted	$	11.54	$	9.49	$	5.77