Fair Value of Financial Instruments - Schedule of Financial Instruments Carried at Fair Value (Details) - USD ($) $ in Millions	Jun. 28, 2026	Jun. 29, 2025
Level 1 \| Money market funds
Assets:
Cash and cash equivalents, fair value disclosure	$ 63.5	$ 61.8
Level 1 \| U.S. treasury securities
Assets:
Cash and cash equivalents, fair value disclosure	220.9	224.6
Level 1 \| MACOM Shares
Assets:
Cash and cash equivalents, fair value disclosure	0.0	102.0
Level 2 \| Municipal bonds
Assets:
Cash and cash equivalents, fair value disclosure	89.0	79.2
Level 2 \| Corporate bonds
Assets:
Cash and cash equivalents, fair value disclosure	209.9	196.8
Level 2 \| Commercial paper
Assets:
Cash and cash equivalents, fair value disclosure	43.4	28.3
Level 2 \| Certificates of deposit
Assets:
Cash and cash equivalents, fair value disclosure	$ 20.2	$ 5.0

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.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-11

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-11

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-10

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant