Financial Instruments, Balance Sheet Location (Details) - USD ($) $ in Millions	Jun. 29, 2019	Jun. 30, 2018
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	$ 48.5	$ 49.7
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	19.6	21.1
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	0.0	1.2
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	$ 21.1	$ 21.3