Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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This element represents the aggregate cost of investments accounted for under the equity method of accounting.

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Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Summary of significant accounting policies (Details) $ in Millions	12 Months Ended
	Jun. 27, 2026 USD ($) segment	Jun. 28, 2025 USD ($)	Jun. 29, 2024 USD ($)
Property, Plant and Equipment [Line Items]
Number of reportable segments \| segment	2
Fair value assets transfers into and out of level 3, net	$ 0.0	$ 0.0	$ 0.0
Equity method investment	$ 25.9
Minimum
Property, Plant and Equipment [Line Items]
Intangible asset, useful life	5 years
Maximum
Property, Plant and Equipment [Line Items]
Intangible asset, useful life	10 years
Lease term	75 years
Level 1
Property, Plant and Equipment [Line Items]
Fair value of Cash equivalents recorded based upon level 1	$ 0.3	$ 3.5
Building
Property, Plant and Equipment [Line Items]
Useful life	30 years
Machinery Fixtures And Equipment
Property, Plant and Equipment [Line Items]
Useful life	10 years
Machinery Fixtures And Equipment \| Minimum
Property, Plant and Equipment [Line Items]
Useful life	2 years
Information Technology Hardware and Software
Property, Plant and Equipment [Line Items]
Useful life	10 years
Information Technology Hardware and Software \| Minimum
Property, Plant and Equipment [Line Items]
Useful life	2 years