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Income Taxes - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended				12 Months Ended
	Jun. 26, 2014	Jun. 27, 2013	Jun. 28, 2012	Jun. 26, 2014 State and Local Jurisdiction [Member]	Jun. 26, 2014 United States [Member] Earliest Tax Year [Member]	Jun. 26, 2014 Illinois [Member]	Jun. 26, 2014 Illinois [Member] Earliest Tax Year [Member]	Jun. 27, 2013 Illinois [Member] Earliest Tax Year [Member]	Jun. 28, 2012 California [Member] Earliest Tax Year [Member]
Operating Loss Carryforwards [Line Items]
Net change in the total valuation allowance	$ 640	$ 815
Gross state tax credits				3,649
Gross state tax net operating losses expiration dates	2024
Total gross amounts of unrecognized tax benefits	247	139	133
Unrecognized tax benefits and accrued interest and penalties current		131
Unrecognized tax benefits and accrued interest and penalties long-term	$ 263
Year of tax return audit					2011			2013	2009
Year of tax return currently under audit						2012	2011

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State Operating Loss Carryforwards Expiration Dates

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Tax year being audited in the income tax examination, in CCYY format.

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The current portion of the amount recognized for uncertain tax positions as of the balance sheet date.

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The noncurrent portion of the amount recognized for uncertain tax positions as of the balance sheet date.

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Tax year that remains open to examination under enacted tax laws, in CCYY format.

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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