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Commitments and Contingencies (Tables)
3 Months Ended
Mar. 29, 2014
Commitments and Contingencies Disclosure [Abstract]  
Summary of Future Minimum Rental Payments under Operating Leases
Future minimum rental payments under operating leases were as follows as of March 29, 2014:
 
 
Operating
Leases
 
(In thousands)
Remainder of 2014
$
2,556

2015
3,363

2016
2,662

2017
2,383

2018
2,383

Thereafter
3,177

Total minimum lease payments
$
16,524

Activity Related to the Warranty Accrual
Activity related to the warranty accrual was as follows:
 
 
Three Months Ended
 
March 29, 2014
 
March 30, 2013
 
(In thousands)
Balance at beginning of period
$
6,497

 
$
6,057

Provision
1,133

 
404

Warranty usage(1)
(1,272
)
 
(440
)
Balance at end of period
$
6,358

 
$
6,021

 
(1)
Warranty usage includes costs incurred for warranty obligations.