Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

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Inventories (Details) - USD ($)
$ in Thousands
Jul. 04, 2015
Jan. 03, 2015
Inventories [Abstract]    
Raw materials $ 16,449 $ 15,127
Work in progress 8,779 7,545
Finished goods 28,794 22,576
Inventories $ 54,022 $ 45,248