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Inventories (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 29, 2013
Mar. 30, 2013
Summary of inventories    
Raw materials $ 20,875 $ 20,993
Work in process 7,124 8,079
Finished goods and other 37,496 39,733
Total Inventories $ 65,495 $ 68,805