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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. 27, 2020	Jun. 29, 2019	Jun. 30, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares purchased	346,502
Aggregate intrinsic value	$ 0.4
Employee Stock Purchase Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares purchased	346,502	544,886	486,263
Weighted average purchase price	$ 30.50	$ 29.48	$ 32.07
Cash received	$ 10.6	$ 16.1	$ 15.6
Aggregate intrinsic value	$ 10.1	$ 2.8	$ 3.9

X

- Definition

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

+ References

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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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