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Share-Based Compensation - Shares Purchased, Weighted Average Purchase Price, Cash Received, and Aggregate Intrinsic Value for ESPP (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Jun. 29, 2024	Jun. 24, 2023	Jun. 25, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Aggregate intrinsic value	$ 0.0
Employee Stock Purchase Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares purchased	211,425	172,044	138,502
Weighted average purchase price	$ 74.22	$ 91.88	$ 97.9
Cash received	$ 15.7	$ 15.8	$ 13.6
Aggregate intrinsic value	$ 4.1	$ 2.8	$ 12.5

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