Financial Instruments, Balance Sheet Location (Details) (USD $) In Millions, unless otherwise specified	Dec. 27, 2014	Jun. 28, 2014
Derivatives designated as hedging instruments [Member] | Cash Flow Hedging [Member] | Forward contracts held to purchase U.S. dollars [Member]
Derivatives, Fair Value [Line Items]
Notional amount of derivatives	$ 62.7	$ 60.6
Derivatives designated as hedging instruments [Member] | Cash Flow Hedging [Member] | Forward contracts held to sell U.S. dollars [Member]
Derivatives, Fair Value [Line Items]
Notional amount of derivatives	2.7	0.8
Derivatives not designated as hedging instruments [Member] | Forward contracts held to purchase U.S. dollars [Member]
Derivatives, Fair Value [Line Items]
Notional amount of derivatives	34.0	31.4
Derivatives not designated as hedging instruments [Member] | Forward contracts held to sell U.S. dollars [Member]
Derivatives, Fair Value [Line Items]
Notional amount of derivatives	$ 35.1	$ 48.9