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Share-Based Compensation - Stock Options - Additional Information (Detail) - Stock option outstanding [Member] - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 29, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of fair market value for which exercise price is designated on incentive and nonqualified stock option grants	100.00%
Options granted under the 2010 Plan	vest three to four years from the vesting commencement date and expire seven years after the date of grant if not exercised.
Closing price of common stock used to calculate Aggregate intrinsic value of stock option outstanding		$ 50.37
Percentage of stock option awards outstanding were vested	32.00%
Number of options vested	1.6
Aggregate intrinsic value of fully vested options and options expected to vest	$ 9.2
Weighted average exercise price of fully vested options and options expected to vest	$ 57.14
Weighted average remaining contractual term of fully vested options and options expected to vest	3 years 3 months 21 days
Weighted average remaining contractual term for exercisable options	2 years 11 months 15 days
Unrecognized share-based compensation costs for stock options granted	$ 4.3
Unrecognized share-based compensation, period for recognition	1 year 5 months 4 days

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Percentage of fair market value for which exercise price is designated on incentive and nonqualified stock option grants.

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Share based compensation arrangement by share based payment award award options granted.

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

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Stock options vesting percentage.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Unrecognized cost of unvested options awarded to employees as compensation.

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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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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average remaining contractual term for fully vested and expected to vest exercisable or convertible options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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