Share-Based Compensation - Market Stock Units - Additional Information (Detail) - Market stock units outstanding [Member] - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Jun. 27, 2020	Jun. 26, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period of the underlying awards	3 years
Potential payout range	100.00%
Potential payout adjustment ratio	2.00%
Shares withheld to meet statutory minimum tax withholding requirements	8,706
Shares valued withheld to meet statutory minimum tax withholding requirements	$ 0.4
Closing price of common stock used to calculate Aggregate intrinsic value of stock option outstanding		$ 56.26
Unrecognized share-based compensation cost	$ 16.6
Unrecognized share-based compensation, period for recognition	1 year 4 months 6 days
October and December 2017 MSU Grants [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
SOX Index TSR percentage points	34.20%
Percentage of targeted shares, MSU grants	31.60%
November 2019 MSU Grants [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
SOX Index TSR percentage points	34.30%
Percentage of targeted shares, MSU grants	31.50%
October 2016 MSU Grants [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
SOX Index TSR percentage points	136.00%
Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Potential payout range	0.00%
Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Potential payout range	200.00%
Share-based Compensation Award, First Tranche [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period of the underlying awards	1 year
Share-based Compensation Award, First Tranche [Member] \| Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Potential payout range	100.00%
Share-based Compensation Award, Second Tranche [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period of the underlying awards	2 years
Share-based Compensation Award, Second Tranche [Member] \| Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Potential payout range	100.00%
Share-based Compensation Award, Third Tranche [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period of the underlying awards	3 years

Delivery of targeted shares in percentage delivered by entity.

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Percentage of potential payout.

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Share based compensation arrangement by share based payment award intrinsic value closing price.

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TSR decrease in percentage points.

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Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

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