Stock-Based Compensation (Tables)
 6 Months Ended
Jul. 01, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Impact of Stock-Based Compensation
Stock-based compensation expense and the associated tax benefits impacting our condensed consolidated statements of income were as follows:

 
Three Months Ended
 
Six Months Ended
 
 
July 1,
 
June 26,
 
July 1,
 
June 26,
(In thousands)
 
2016
 
2015
 
2016
 
2015
Compensation costs for equity-based awards
 
$
872

 
$
1,829

 
$
2,348

 
$
3,587

Compensation costs for liability-based awards
 
683

 
144

 
920

 
265

Total compensation costs, pre-tax
 
$
1,555

 
$
1,973

 
$
3,268

 
$
3,852

Future tax benefit
 
$
554

 
$
711

 
$
1,165

 
$
1,387
Schedule of Non-Qualified Stock Options and Restricted Stock Units Activity
The following table provides a summary of the activities for NQOs and RSUs for the six months ended July 1, 2016:

 
NQOs
 
RSUs
(In thousands, except per share data)
 
Shares
 
Weighted Average Exercise Price Per Share
 
Shares
 
Weighted Average Grant Date Fair Value Per Share
Outstanding at January 1, 2016
 
486

 
$19.25
 
350

 
$22.47
Granted
 
87

 
$20.06
 
152

 
$20.88
Exercised
 
(31
)
 
$13.74
 
—

 
—

Vested
 
—

 
—

 
(146
)
 
$20.52
Forfeited or expired
 
(10
)
 
$20.06
 
(10
)
 
$22.01
Outstanding at July 1, 2016
 
532

 
$19.69
 
346

 
$22.59
Schedule of Assumptions Utilized
The following assumptions were utilized in deriving the fair value for NQOs granted on March 4, 2016 under the Black-Scholes model:
Expected volatility

30.2
%
Expected life (in years)

7.0

Risk-free rate

1.69
%
Weighted-average grant date fair value per share

$7.06