Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

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Inventories (Details) - USD ($)
$ in Thousands
Oct. 03, 2015
Jan. 03, 2015
Inventories [Abstract]    
Raw materials $ 19,722 $ 15,127
Work in progress 8,785 7,545
Finished goods 33,073 22,576
Inventories $ 61,580 $ 45,248