Share Option Activity Under Twenty Ten Plan (Detail) (USD $)	12 Months Ended
Jun. 29, 2012	Jun. 24, 2011	Jun. 25, 2010
Number of Shares Underlying Options
Exercised	(237,350)	(438,329)	(285,108)
Weighted-Average Exercise Price Per Share
Granted	$ 14.82
Exercised	$ 4.21	$ 3.59	$ 1.70
Stock Option Plan 2010
Number of Shares Underlying Options
Shares underlying options outstanding at beginning of the period	925,921
Granted	590,537	1,012,367
Exercised	(11,619)	(20,281)
Forfeited	(211,491)	(66,165)
Expired	(12,598)
Shares underlying options outstanding at end of the period	1,280,750	925,921
Shares underlying options exercisable at end of the period	399,068	112,343
Weighted-Average Exercise Price Per Share
Beginning Balance	$ 17.37
Granted	$ 14.82	$ 17.37
Exercised	$ 16.60	$ 16.83
Forfeited	$ 16.51	$ 17.51
Expired	$ 19.51
Ending Balance	$ 16.32	$ 17.37
Shares underlying options exercisable at end of the period	$ 16.66	$ 17.05

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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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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average price at which grantees can acquire the shares reserved for issuance on stock options awarded.

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Number of share options (or share units) exercised during the current period.

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