Stock-Based Compensation - Additional Information (Details) - USD ($) shares in Millions, $ in Millions	6 Months Ended
Dec. 29, 2018	Dec. 30, 2017
Stock-Based Compensation
Stock-based compensation capitalized to inventory	$ 1.0	$ 0.9
Full Value Awards - Total
Stock-Based Compensation
Unrecognized stock-based compensation	$ 66.6
Estimated amortization period for unrecognized compensation	2 years 2 days
Full Value Awards - Total \| Minimum
Stock-Based Compensation
Vesting period	1 year
Full Value Awards - Total \| Maximum
Stock-Based Compensation
Vesting period	4 years
RSUs
Stock-Based Compensation
Granted (in shares)	3.7	3.1
Restricted Stock Units with Time Based Conditions
Stock-Based Compensation
Vesting period	3 years
Percentage of first tranche vested	33.00%
Initial vesting period	1 year
Subsequent vesting period	2 years
Restricted Stock Units with Market and Performance Conditions
Stock-Based Compensation
Vesting period	3 years
Granted (in shares)	0.5	0.5
Aggregate grant-date fair value	$ 6.2	$ 6.1
Restricted Stock Units with Performance Conditions Over Target
Stock-Based Compensation
Granted (in shares)	0.1	0.2

Represents the compensation cost capitalized during the period arising from equity-based compensation arrangements (for example, shares of stock, units, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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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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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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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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The total fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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Represents the percentage of first tranche vested.

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Description of the initial period of time over which the first tranche of an employee's equity award is vested, which may be expressed in a variety of ways (for example, in years, month and year).

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Description of the subsequent period of time over which the remaining tranches of an employee's equity award are vested, which may be expressed in a variety of ways (for example, in years, month and year).

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