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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. 26, 2021	Jun. 27, 2020	Jun. 29, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares purchased	220,389
Aggregate intrinsic value	$ 4.5
Employee Stock Purchase Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares purchased	220,389	346,502	544,886
Weighted average purchase price	$ 57.00	$ 30.50	$ 29.48
Cash received	$ 12.6	$ 10.6	$ 16.1
Aggregate intrinsic value	$ 10.3	$ 10.1	$ 2.8

X

- Definition

The cash inflow associated with the amount received from the stock plan during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Per share weighted-average price paid for shares purchased on open market for issuance under share-based payment arrangement.

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