Foreign Exchange Forward Contracts (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Jan. 01, 2012	Dec. 31, 2012
Derivative [Line Items]
Derivative, Maximum Maturity	60 days
Foreign currency transaction realized gains	$ (0.4)	$ 0.1	$ (0.1)
Not Designated as Hedging Instrument | Forward Contracts
Derivative [Line Items]
Notional principal amount of forward foreign currency contracts	$ 9.5		$ 9.5
Maximum maturities for contracts (in days)			60 days