Description of Business and Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 27, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Summary of Cumulative Catch-Up Adjustments
Cumulative catch-up adjustments are presented in the following table:

 
Three Months Ended

 
March 27,
 
March 29,
(In thousands)
 
2015
 
2014
Favorable adjustments
 
$
2,836

 
$
3,571

Unfavorable adjustments
 
(1,773
)
 
(791
)
Net favorable adjustments
 
$
1,063

 
$
2,780