v3.25.4

Cash and Cash Equivalents and Short-Term Investments (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Dec. 27, 2025	Jun. 28, 2025
Cash
Cash ,Cash Equivalents & Short Term Investments
Amortized Cost	$ 403.7	$ 360.7
Gross Unrealized (Gain) Loss	0.0	0.0
Fair Value	403.7	360.7
Money market funds
Cash ,Cash Equivalents & Short Term Investments
Amortized Cost	15.6	16.7
Gross Unrealized (Gain) Loss	0.0	0.0
Fair Value	15.6	16.7
Certificates of deposit
Cash ,Cash Equivalents & Short Term Investments
Amortized Cost	18.1	14.1
Gross Unrealized (Gain) Loss	0.0	0.0
Fair Value	18.1	14.1
Certificates of deposit | Short-Term Investments
Cash ,Cash Equivalents & Short Term Investments
Amortized Cost	0.0	61.0
Gross Unrealized (Gain) Loss	0.0	0.0
Fair Value	0.0	61.0
Cash and Cash Equivalents
Cash ,Cash Equivalents & Short Term Investments
Amortized Cost	437.4	391.5
Gross Unrealized (Gain) Loss	0.0	0.0
Fair Value	$ 437.4	$ 391.5

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
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