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Commitments and Contingencies (Tables)
12 Months Ended
Jan. 02, 2016
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 January 2, 2016:
 
 
Operating
Leases
2016
$
3,856

2017
3,411

2018
2,957

2019
2,925

2020
978

Thereafter

Total minimum lease payments
$
14,127

Activity related to the warranty accrual
Activity related to the warranty accrual was as follows:
 
Fiscal Year Ended
 
January 2,
2016
 
December 27,
2014
 
December 28,
2013
 
(In thousands)
Balance at beginning of period
$
7,769

 
$
6,497

 
$
6,057

Provision
4,598

 
6,410

 
1,744

Warranty usage(*)
(5,460
)
 
(5,138
)
 
(1,304
)
Balance at end of period
$
6,907

 
$
7,769

 
$
6,497


 __________________________________
(*)
Warranty usage includes costs incurred for warranty obligations.