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EARNINGS PER SHARE
6 Months Ended
Jun. 30, 2018
Earnings Per Share [Abstract]  
EARNINGS PER SHARE EARNINGS PER SHARE DATA
The following table provides a reconciliation of the data used in the calculation of basic and diluted earnings per share from continuing operations attributable to ITT for the three and six months ended June 30, 2018 and 2017. 
 
Three Months
 
Six Months
For the Periods Ended June 30
2018
 
2017
 
2018
 
2017
Basic weighted average common shares outstanding
87.5

 
88.5

 
87.8

 
88.4

Add: Dilutive impact of outstanding equity awards
0.9

 
0.5

 
0.9

 
0.7

Diluted weighted average common shares outstanding
88.4

 
89.0

 
88.7

 
89.1


There were no anti-dilutive shares underlying stock options excluded from the computation of diluted earnings per share for the three and six months ended June 30, 2018. During the three and six months ended June 30, 2017 there were 0.4 anti-dilutive shares underlying stock options excluded from the computation of diluted earnings per share in both periods with a weighted average exercise price per share of $42.30 and $42.41, respectively. Anti-dilutive shares underlying stock options for the three and six months ended June 30, 2017 will expire between 2024 and 2025.
In addition, 0.1 of outstanding performance stock units (PSU) awards were excluded from the computation of diluted earnings per share for the three and six months ended June 30, 2018, and 0.3 of outstanding PSU awards were excluded from the computation of diluted earnings per share for the three and six months ended June 30, 2017, as the necessary performance conditions had not yet been satisfied.