XML 111 R89.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Per Share Information - Calculation of Income Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Basic Income Per Share      
Net income attributable to CBRE Group, Inc. shareholders $ 691,479 $ 571,973 $ 547,132
Weighted average shares outstanding for basic income per share 337,658,017 335,414,831 332,616,301
Basic income per share attributable to CBRE Group, Inc. shareholders $ 2.05 $ 1.71 $ 1.64
Diluted Income Per Share      
Net income attributable to CBRE Group, Inc. shareholders $ 691,479 $ 571,973 $ 547,132
Weighted average shares outstanding for basic income per share 337,658,017 335,414,831 332,616,301
Dilutive effect of contingently issuable shares 3,121,987 2,982,431 3,620,194
Dilutive effect of stock options 3,552 27,301 178,361
Weighted average shares outstanding for diluted income per share 340,783,556 338,424,563 336,414,856
Diluted income per share attributable to CBRE Group, Inc. shareholders $ 2.03 $ 1.69 $ 1.63