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Comprehensive Income (Details 1) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Dec. 31, 2011
Dec. 25, 2010
Dec. 31, 2011
Dec. 25, 2010
Change in unrealized losses on investments, tax benefits $ 20 $ 0 $ 46 $ 0
Change in unrealized (loss) gains on forward exchange contracts, tax benefits (expenses) (40) 117 146 (25)
Actuarial gains on post-retirement benefits, tax expense $ (35) $ (33) $ (71) $ (66)