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Inventories (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 28, 2014
Mar. 29, 2014
Summary of inventories    
Raw materials $ 23,037 $ 22,571
Work in process 8,043 6,835
Finished goods and other 42,511 40,323
Total Inventories $ 73,591 $ 69,729