Debt - short-term debt (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Sep. 28, 2019	Jun. 29, 2019
Components of short-term debt
Short-term debt	$ 638,402	$ 300,538
Bank credit facilities and other
Components of short-term debt
Short-term Debt, Weighted Average Interest Rate	1.08%	1.02%
Short-term debt	$ 302	$ 538
Accounts receivable securitization program
Components of short-term debt
Short-term Debt, Weighted Average Interest Rate	2.80%
Short-term debt	$ 338,100
Notes Due June 2020
Components of short-term debt
Short-term Debt, Weighted Average Interest Rate	5.88%	5.88%
Short-term debt	$ 300,000	$ 300,000

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(1))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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