Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

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Inventories (Details) - USD ($)
$ in Thousands
Apr. 02, 2016
Jan. 02, 2016
Inventories [Abstract]    
Raw materials $ 23,168 $ 22,529
Work in progress 9,172 8,701
Finished goods 35,214 34,889
Inventories $ 67,554 $ 66,119