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Earnings Per Share Attributable to Cardinal Health, Inc.
3 Months Ended
Sep. 30, 2016
Earnings Per Share [Abstract]  
Earnings Per Share Attributable to Cardinal Health, Inc.
12. Earnings Per Share Attributable to Cardinal Health, Inc.
The following table reconciles the number of common shares used to compute basic and diluted earnings per share attributable to Cardinal Health, Inc.:
 
Three Months Ended September 30,
(in millions)
2016
 
2015
Weighted-average common shares–basic
320

 
328

Effect of dilutive securities:
 
 
 
Employee stock options, restricted share units, and performance share units
2

 
3

Weighted-average common shares–diluted
322

 
331


The potentially dilutive employee stock options, restricted share units, and performance share units that were antidilutive for the three months ended September 30, 2016 and 2015 were 3 million and 2 million, respectively.