Description of Business and Summary of Significant Accounting Policies (Tables)
 3 Months Ended
Mar. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Summary of Cumulative Catch-Up Adjustments
Cumulative catch-up adjustments for the three months ended March 31, 2017 and April 1, 2016 are presented in the following table:
 
 
Three Months Ended
 
 
March 31,
 
April 1,
(In thousands)
 
2017
 
2016
Favorable adjustments
 
$
3,542

 
$
4,152

Unfavorable adjustments
 
(823
)
 
(1,380
)
Net favorable adjustments
 
$
2,719

 
$
2,772