Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v2.4.0.8
Stock-Based Compensation (Tables)
 3 Months Ended
Mar. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Stock-Based Compensation Activity Related to Stock Options
A summary of stock-based compensation activity related to stock options for the thirteen weeks ended March 30, 2014 are as follows:
 
Shares
 
Weighted
Average
Exercise
Price
 
Weighted
Average
Remaining
Contractual
Term
(Years)
 
Aggregate
Intrinsic
Value
Outstanding and expected to vest at December 29, 2013
729,874

 
$
11.45

 
 
 
 
Granted
4,944

 
40.68

 
 
 
 
Exercised
(50,004
)
 
6.05

 
 
 
 
Forfeited
(653
)
 
13.54

 
 
 
 
Outstanding and expected to vest at March 30, 2014
684,161

 
$
12.05

 
5.56
 
$
19,843

Exercisable at March 30, 2014
463,252

 
$
7.00

 
4.30
 
$
15,807

Weighted Average Assumptions
The weighted-average grant date fair value of options granted during the thirteen weeks ended March 30, 2014 was $14.19 per share, as estimated at the date of grant using the Black-Scholes pricing model with the following weighted-average assumptions: 
 
 
Dividend yield
0
%
Expected volatility
37
%
Risk-free rate of return
1.53
%
Expected life (in years)
5

Summary of Stock-Based Compensation Activity Related to Restricted Stock Units
A summary of stock-based compensation activity related to restricted stock units for the thirteen weeks ended March 30, 2014 are as follows:
 
Shares
 
Weighted
Average
Fair Value
Outstanding and expected to vest at December 29, 2013
—

 
$
—

Granted
84,421

 
40.68

Outstanding and expected to vest at March 30, 2014
84,421

 
$
40.68