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Note 5 Goodwill, Intangible Assets and Long Term Assets Goodwill Activity (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Mar. 30, 2014
Mar. 31, 2013
Dec. 31, 2013
Goodwill beginning $ 16,419 $ 16,344 $ 16,357
Goodwill Translation Adjustments (20) 13 62
Goodwill ending 16,399 16,357 16,419
Battery and Energy Products
     
Goodwill beginning 4,926 4,851 4,864
Goodwill Translation Adjustments (20) 13 62
Goodwill ending 4,906 4,864 4,926
Communications Systems
     
Goodwill beginning 11,493 11,493 11,493
Goodwill Translation Adjustments 0 0 0
Goodwill ending $ 11,493 $ 11,493 $ 11,493