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Share-based Compensation (Tables)
3 Months Ended
Mar. 31, 2015
Share-based Compensation  
Summary of allocation of share-based compensation expense

 

 

 

13 Weeks Ended

 

 

 

March 31, 2015

 

April 1, 2014

 

 

 

 

 

 

 

Labor expense

 

$

1,515 

 

$

1,368 

 

General and administrative expense

 

3,389 

 

2,253 

 

Total share-based compensation expense

 

$

4,904 

 

$

3,621 

 

 

 

Summary of restricted stock unit activity

 

 

 

Shares

 

Weighted-
Average
Grant Date
Fair Value

 

Weighted-Average
Remaining Contractual
Term (years)

 

Aggregate
Intrinsic
Value

 

 

 

 

 

 

 

 

 

 

 

Outstanding at December 30, 2014

 

978,124

 

$

22.52

 

 

 

 

 

Granted

 

419,018

 

35.51

 

 

 

 

 

Forfeited

 

(12,327

)

24.76

 

 

 

 

 

Vested

 

(391,002

)

18.69

 

 

 

 

 

Outstanding at March 31, 2015

 

993,813

 

$

29.46

 

1.41

 

$

36,223

 

 

 

Summary of stock option activity

 

 

 

Shares

 

Weighted-
Average
Exercise Price

 

Weighted-Average
Remaining Contractual
Term (years)

 

Aggregate
Intrinsic
Value

 

 

 

 

 

 

 

 

 

 

 

Outstanding at December 30, 2014

 

636,930

 

$

14.20

 

 

 

 

 

Granted

 

 

 

 

 

 

 

Forfeited

 

 

 

 

 

 

 

Exercised

 

(105,308

)

15.12

 

 

 

 

 

Outstanding at March 31, 2015

 

531,622

 

$

14.01

 

1.69

 

$

11,917

 

 

 

 

 

 

 

 

 

 

 

Exercisable at March 31, 2015

 

531,622

 

$

14.01

 

1.69

 

$

11,917