Financial Instruments Financial Instruments, Other (Details) - USD ($) $ in Millions	Jun. 30, 2018	Jun. 24, 2017
Forward contracts held to purchase U.S. dollars [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 49.7	$ 36.2
Forward contracts held to purchase U.S. dollars [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	21.1	44.5
Forward contracts held to sell U.S. dollars [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	1.2	0.2
Forward contracts held to sell U.S. dollars [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 21.3	$ 21.6