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Goodwill and Acquisition-Related Intangible Assets Schedule of Goodwill (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 29, 2013
Jun. 30, 2013
Goodwill [Line Items]    
Goodwill $ 52,149 $ 52,149 [1]
Energy-Saving Products [Member]
   
Goodwill [Line Items]    
Goodwill 33,190 33,190
HiRel [Member]
   
Goodwill [Line Items]    
Goodwill $ 18,959 $ 18,959
[1] Amounts derived from the audited financial statements at June 30, 2013