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Earnings Per Share (Tables)
6 Months Ended
Jun. 30, 2016
Earnings Per Share [Abstract]  
Potential gross common equivalent shares
The Company did not include the securities in the following table in the computation of the net loss per share attributable to Vertex common shareholders calculations because the effect would have been anti-dilutive during each period:
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2016
 
2015
 
2016
 
2015
 
(in thousands)
Stock options
12,231

 
11,933

 
12,231

 
11,933

Unvested restricted stock and restricted stock units
3,506

 
3,355

 
3,506

 
3,355