Financial Instruments, Balance Sheet Location (Details) - USD ($) $ in Millions	Jun. 27, 2020	Jun. 29, 2019
Forward contracts held to purchase U.S. dollars [Member] | Designated as hedging instruments [Member] | Cash Flow Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	$ 61.6	$ 48.5
Forward contracts held to purchase U.S. dollars [Member] | Not designated as hedging instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	32.3	19.6
Forward contracts held to sell U.S. dollars [Member] | Not designated as hedging instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	$ 12.0	$ 21.1