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Stock-Based Compensation - Additional Information (Details) $ / shares in Units, $ in Millions			12 Months Ended
	Dec. 05, 2014 shares	Nov. 14, 2012 amendment shares	Jul. 01, 2017 USD ($) executive $ / shares shares	Jul. 02, 2016 USD ($)	Jun. 27, 2015 USD ($)	Aug. 01, 2015 USD ($)
Stock-Based Compensation
Stock options and Full Value Awards issued and outstanding (in shares) | shares			8,800,000
Shares of common stock available for grant (in shares) | shares			15,400,000
Stock-based compensation capitalized to inventory			$ 0.7
Total incremental stock-based compensation expense						$ 13.6
Extended exercise period for fully exercisable options resulted from modification			2 years
Number of executives impacted by plan modification (in executive) | executive			6
Incremental stock-based compensation cost			$ 6.3
Closing stock price of company (in dollars per share) | $ / shares			$ 10.53
Number of exercisable in-the-money options (in shares) | shares			500,000
Minimum remaining maturity period of traded options of the entity's common stock upon which implied volatility is based			6 months
Remaining maturity assumed for expected volatility			4 months 15 days
2003 Plan
Stock-Based Compensation
Number of additional amendments approved by shareholders | amendment		2
Common stock added to the pool of shares reserved for issuance under the plan (in shares) | shares	9,000,000	10,000,000
Additional term of plan after the date of approval of amendment		10 years
1998 Purchase Plan
Stock-Based Compensation
Shares of common stock available for grant (in shares) | shares			4,800,000
Discount rate provided under purchase plan			5.00%
Look-back period			6 months
Options
Stock-Based Compensation
Total intrinsic value of awards exercised (in dollars)			$ 5.9
Unrecognized stock-based compensation			$ 1.5
Estimated amortization period			2 years 7 months 6 days
Options | Minimum
Stock-Based Compensation
Vesting period			3 years
Stock awards expiration period			5 years
Options | Maximum
Stock-Based Compensation
Vesting period			4 years
Stock awards expiration period			10 years
Full Value Awards
Stock-Based Compensation
Exercise price (in dollars per share) | $ / shares			$ 0
Unrecognized stock-based compensation			$ 31.4
Estimated amortization period			1 year 9 months
Withholding taxes liability paid			$ 14.3	$ 11.4	$ 22.1
Full Value Awards | Minimum
Stock-Based Compensation
Vesting period			1 year
Full Value Awards | Maximum
Stock-Based Compensation
Vesting period			4 years
Employee Stock Purchase Plan
Stock-Based Compensation
Unrecognized stock-based compensation			$ 0.1

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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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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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Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

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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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Discount rate from fair value on purchase date that participants pay for shares.

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Number of additional shares authorized for issuance under an established share-based compensation plan.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Represents the extended exercise period in years from the termination date for all fully exercisable options resulted from modification.

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The exercise price of Full Value Awards.

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Represents the number of shares issued and outstanding as of the balance sheet date under share based compensation arrangement.

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