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Stock-based compensation (Tables)
12 Months Ended
Dec. 30, 2011
Stock-based compensation [Abstract]  
Stock-based compensation expense
The following table presents the stock-based compensation expense included in the Consolidated Statements of Operations for the years ended December 30, 2011, December 31, 2010 and December 25, 2009 (in thousands):
 
 
 
2011
 
 
2010
 
 
2009
 
Restricted stock
 
$
1,054
 
 
$
1,833
 
 
$
1,446
 
Stock options
 
 
769
 
 
 
13
 
 
 
--
 
Income tax benefit
 
 
--
 
 
 
(646
)
 
 
(506
)
Total after-tax stock-based compensation expense
 
$
1,823
 
 
$
1,200
 
 
$
940
 
                         
Total stock-based compensation included in selling, general and administrative expenses
 
 
 1,639
 
 
 
 1,846
 
 
 
 1,446
 
Severance, impairment and other associated costs
   
184
     
--
     
--
 
 
Summary of restricted stock activity
A summary of our restricted stock activity for the years ended December 30, 2011, December 31, 2010, and December 25, 2009, is as follows (in thousands, except per share data):
 
 
 
2011
 
 
2010
 
 
2009
 
 
 
Shares
 
 
Weighted
Average Stock
 Grant Price
(Per Share)
 
 
Shares
 
 
Weighted
Average Stock
 Grant Price
(Per Share)
 
  Shares   
Weighted
Average Stock
 Grant Price
(Per Share)
 
Opening nonvested restricted stock
 
 
420
 
 
$
6.69
 
 
 
330
 
 
$
11.92
 
   
208
   
$
24.59
 
Granted
 
 
369
 
 
$
3.47
 
 
 
238
 
 
$
3.76
 
   
223
   
$
6.11
 
Vested
 
 
(112
)
 
$
11.77
 
 
 
(123
)
 
$
15.03
 
   
(75
)
 
$
24.13
 
Forfeited/cancelled
 
 
(97
)
 
$
4.87
 
 
 
(25
)
 
$
5.80
 
   
(26
)
 
$
15.62
 
Ending nonvested restricted stock
 
 
580
 
 
$
3.97
 
 
 
420
 
 
$
6.69
 
   
330
   
$
11.92
 
 
Summary of stock options activity
 
A summary of our stock option activity for the years ended December 30, 2011, December 31, 2010, and December 25, 2009, respectively, is as follows (in thousands, except per share data):
 
 
 
2011
  
2010
  
2009
 
 
 
 
 
Shares
  
Weighted
 Average
Option
 Grant
Price
 (Per Share)
 
Aggregate
 Intrinsic
 Value
  
 
 
Shares
  
Weighted
 Average
Option
 Grant Price
 (Per Share)
 
Aggregate
Intrinsic
Value
  
Shares
  
Weighted
 Average
Option
 Grant
 Price
 (Per Share)
  
Aggregate
 Intrinsic
Value
 
Opening stock options outstanding
  157  $7.41 
 
   82  $17.53 
 
   125  $17.99    
Granted
  1,269  $4.66 
 
   480  $4.97 
 
   --   --    
Exercised
  (1 ) $3.72 
 
   --   -- 
 
   --   --    
Forfeited/cancelled
  (173 ) $7.25 
 
   (405 ) $6.58 
 
   (43 ) $18.90    
Ending stock options outstanding
  1,252  $4.64  $20   157  $7.41   --   82  $17.53   -- 
Ending stock options exercisable
  16  $4.75   --   38  $16.55   --   82  $17.53   -- 
 
Weighted average assumptions based on date of grant
The weighted-average assumptions of our stock options issued during 2011 and 2010, based on the date of grant, are as follows:
 
 
 
2011
 
 
2010
 
Dividend yield
 
 
1.4
%
   
2.0
%
Volatility
 
 
80.4
%
   
76.6
%
Risk-free interest rate
 
 
1.7
%
   
2.1
%
Expected life (years)
 
 
4.8
 
   
4.8