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Computation of Earnings Per Common Share
 3 Months Ended
Apr. 28, 2012
Computation of Earnings Per Common Share Disclosure [Abstract]  
Computation of Earnings Per Common Share
Computation of Earnings Per Common Share
 
The computation of basic and diluted earnings per share for the first quarter of 2012 and 2011 is as follows (in thousands, except per share data):
 
 
13 Weeks Ended
 
April 28, 2012
 
April 30, 2011
Numerator:
 

 
 

Net income attributed to Staples, Inc.
$
187,059

 
$
198,245

Denominator:


 


Weighted-average common shares outstanding
680,246

 
706,318

Effect of dilutive securities:


 


Employee stock options, restricted shares and performance shares
9,191

 
11,085

Weighted-average common shares outstanding assuming dilution
689,437

 
717,403




 


Basic earnings per common share
$
0.27

 
$
0.28

Diluted earnings per common share
$
0.27

 
$
0.28


 
Options to purchase shares of common stock are excluded from the calculation of diluted earnings per share when their inclusion would have an anti-dilutive effect on the calculation.  Options to purchase 39.8 million and 20.6 million shares of Staples common stock were excluded from the calculation of diluted earnings per share at April 28, 2012 and April 30, 2011, respectively.