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Inventories (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 28, 2013
Mar. 30, 2013
Summary of inventories    
Raw materials $ 22,833 $ 20,993
Work in process 6,428 8,079
Finished goods and other 38,264 39,733
Total Inventories $ 67,525 $ 68,805