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Stock-based Compensation (Tables)
 3 Months Ended
Mar. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of compensation cost for share-based payment arrangements, allocation of share-based compensation costs by plan
The Company recognized stock-based compensation expense as follows (in thousands):

 
THIRTEEN
WEEKS ENDED
MARCH 30, 2014
 
THREE
MONTHS ENDED
MARCH 31, 2013
Stock options
$
2,468

 
$
3,985

Restricted stock and restricted stock units
749

 
375

Performance-based share units
358

 
69

 
$
3,575

 
$
4,429
Schedule of unrecognized compensation cost, nonvested awards
The following represents unrecognized stock compensation expense and the remaining weighted-average vesting period at March 30, 2014:

 
UNRECOGNIZED
COMPENSATION EXPENSE
(in thousands)
 
REMAINING WEIGHTED-AVERAGE VESTING PERIOD (in years)
Stock options
$
32,087

 
3.2
Restricted stock and restricted stock units
$
13,657

 
3.2
Performance-based share units
$
2,190

 
0.9