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Foreign Exchange Forward Contracts (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Mar. 31, 2013
Apr. 01, 2012
Apr. 01, 2012
Mar. 31, 2013
Not Designated as Hedging Instrument
Forward Contracts
Derivative [Line Items]        
Notional principal amount of forward foreign currency contracts       $ 7.5
Maximum maturity on forward foreign currency contracts       60 days
Foreign currency transaction realized gains (losses) $ (0.1) $ 0.2 $ 0.1