Financial Instruments, Balance Sheet Location (Details) - USD ($) $ in Millions	Jun. 24, 2017	Jun. 25, 2016
Forward contracts held to purchase U.S. dollars [Member] | Designated as hedging instruments [Member] | Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Notional amount of total derivatives	$ 36.2	$ 68.0
Forward contracts held to purchase U.S. dollars [Member] | Not designated as hedging instruments [Member]
Derivatives, Fair Value [Line Items]
Notional amount of total derivatives	44.5	25.4
Forward contracts held to sell U.S. dollars [Member] | Designated as hedging instruments [Member] | Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Notional amount of total derivatives	0.2	2.6
Forward contracts held to sell U.S. dollars [Member] | Not designated as hedging instruments [Member]
Derivatives, Fair Value [Line Items]
Notional amount of total derivatives	$ 21.6	$ 24.6