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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 27, 2014
Commitments and Contingencies Disclosure [Abstract]  
Future minimum lease payments under operating leases
Future minimum lease payments under its operating leases are as follows (in thousands):
 
Operating
Leases
2015
$
1,468

2016
1,083

2017
570

2018
294

2019
195

Total
$
3,610