Derivative financial instruments Textuals (Details) - USD ($)	12 Months Ended
Jun. 27, 2020	Jun. 29, 2019
Minimum
Derivatives, Fair Value [Line Items]
Maximum maturity of foreign exchange contracts (less than one year)	60 days
Maximum \| Foreign Exchange Forward
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 \| Prepaid and other current assets
Derivative fair value
Derivative assets fair value	$ 18,989,000	$ 5,511,000
Not Designated as Hedging Instrument \| Foreign Exchange Forward \| Accrued expenses and other
Derivative fair value
Derivative liabilities fair value	$ 15,605,000	$ 6,154,000

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313

Name:	us-gaap_DerivativeLiabilities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant