11.	Income Per Share Information

The calculations of basic and diluted income per share attributable to CBRE Group, Inc. shareholders are as follows (dollars in thousands, except share data):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2018		2017		2018		2017
			(As Adjusted) (1)				(As Adjusted) (1)
Basic Income Per Share
Net income attributable to CBRE Group, Inc. shareholders	$	290,469	$	199,088	$	669,424	$	537,885
Weighted average shares outstanding for basic income per share		339,477,316		337,948,324		339,151,807		337,280,914
Basic income per share attributable to CBRE Group, Inc. shareholders	$	0.86	$	0.59	$	1.97	$	1.59
Diluted Income Per Share
Net income attributable to CBRE Group, Inc. shareholders	$	290,469	$	199,088	$	669,424	$	537,885
Weighted average shares outstanding for diluted income per share:
Weighted average shares outstanding for basic income per share		339,477,316		337,948,324		339,151,807		337,280,914
Dilutive effect of contingently issuable shares		4,256,631		3,236,525		4,114,910		3,217,594
Dilutive effect of stock options		—		1,582		523		3,924
Weighted average shares outstanding for diluted income per share		343,733,947		341,186,431		343,267,240		340,502,432
Diluted income per share attributable to CBRE Group, Inc. shareholders	$	0.85	$	0.58	$	1.95	$	1.58

(1)	We adopted new revenue recognition guidance in the first quarter of 2018. Certain restatements have been made to the 2017 financial statements to conform with the 2018 presentation. See Notes 2 and 3 for more information.

For the three and nine months ended September 30, 2018, 34,470 and 28,922, respectively, of contingently issuable shares were excluded from the computation of diluted income per share because their inclusion would have had an anti-dilutive effect.

For the three and nine months ended September 30, 2017, 384,775 and 1,141,522, respectively, of contingently issuable shares were excluded from the computation of diluted income per share because their inclusion would have had an anti-dilutive effect.