Derivative financial instruments Textuals (Details) - USD ($)	12 Months Ended
	Jun. 30, 2018	Jul. 01, 2017
Minimum
Derivatives, Fair Value [Line Items]
Maximum maturity of foreign exchange contracts (less than one year)	60 days
Maximum
Derivatives, Fair Value [Line Items]
Maximum maturity of foreign exchange contracts (less than one year)	1 year
Not Designated as Hedging Instrument | Foreign Exchange Forward | Other Current Assets
Derivative fair value
Derivative assets fair value	$ 2,259,000	$ 7,297,000
Not Designated as Hedging Instrument | Foreign Exchange Forward | Accrued Expenses
Derivative fair value
Derivative liabilities fair value	$ 7,083,000	4,142,000
Not Designated as Hedging Instrument | Equity securities | Foreign Exchange Forward | Accrued Expenses
Derivative fair value
Derivative liabilities fair value		$ 34,000,000