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				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
			(As Adjusted) (1)				(As Adjusted) (1)
Basic Income Per Share
Net income attributable to CBRE Group, Inc. shareholders	$	228,667	$	201,777	$	378,955	$	338,797
Weighted average shares outstanding for basic income per share		339,081,556		336,975,149		338,986,354		336,941,681
Basic income per share attributable to CBRE Group, Inc. shareholders	$	0.67	$	0.60	$	1.12	$	1.01
Diluted Income Per Share
Net income attributable to CBRE Group, Inc. shareholders	$	228,667	$	201,777	$	378,955	$	338,797
Weighted average shares outstanding for diluted income per share:
Weighted average shares outstanding for basic income per share		339,081,556		336,975,149		338,986,354		336,941,681
Dilutive effect of contingently issuable shares		4,389,957		3,905,498		4,044,050		3,267,556
Dilutive effect of stock options		—		1,956		785		5,009
Weighted average shares outstanding for diluted income per share		343,471,513		340,882,603		343,031,189		340,214,246
Diluted income per share attributable to CBRE Group, Inc. shareholders	$	0.67	$	0.59	$	1.10	$	1.00

(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 six months ended June 30, 2018, 75,851 and 51,946, 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 six months ended June 30, 2017, 1,317,651 and 2,037,886, 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.