Debt - short-term debt (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jan. 02, 2021	Jun. 27, 2020
Components of short-term debt
Short-term debt	$ 311,800	$ 51
Bank credit facilities and other
Components of short-term debt
Short-term Debt, Weighted Average Interest Rate		5.69%
Short-term debt		$ 51
Accounts receivable securitization program
Components of short-term debt
Short-term Debt, Weighted Average Interest Rate	1.20%
Short-term debt	$ 11,800
Notes Due December 2021
Components of short-term debt
Short-term Debt, Weighted Average Interest Rate	3.75%
Short-term debt	$ 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=120391452&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=120400017&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=120398452&loc=d3e534808-122878

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