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Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2015
Earnings Per Share [Abstract]  
Computation of Basic and Diluted Earnings Per Share
The following table sets forth the computation of basic and diluted EPS for the years ended December 31 (in thousands, except per share amounts):
 
2015
 
2014
 
2013
Net income (loss)
$
187,774

 
$
(260,726
)
 
$
96,123

Net (income) loss attributable to redeemable non-controlling interests

 
1,179

 
(1,438
)
Net income (loss) attributable to Equinix, basic and diluted
$
187,774

 
$
(259,547
)
 
$
94,685

 
 
 
 
 
 
Weighted-average shares used to calculate basic EPS
57,790

 
52,359

 
49,438

Effect of dilutive securities:
 
 
 
 
 
Employee equity awards
693

 

 
678

Total dilutive potential shares
693

 

 
678

Weighted-average shares used to calculate diluted EPS
58,483

 
52,359

 
50,116

 
 
 
 
 
 
EPS attributable to Equinix:
 
 
 
 
 
Basic EPS
$
3.25

 
$
(4.96
)
 
$
1.92

Diluted EPS
$
3.21

 
$
(4.96
)
 
$
1.89

Anti-dilutive Potential Shares of Common Stock Excluded from Computation of Earnings Per Share
The following table sets forth potential shares of common stock that are not included in the diluted EPS calculation above because to do so would be anti-dilutive for the years ended December 31 (in thousands):
 
2015
 
2014
 
2013
Shares related to the potential conversion of 3.00% convertible subordinated notes

 
861

 
3,613

Shares related to the potential conversion of 4.75% convertible subordinated notes
1,977

 
2,824

 
4,432

Common stock related to employee equity awards
88

 
1,820

 
254

 
2,065

 
5,505

 
8,299