Income Taxes - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 28, 2012	Dec. 30, 2011	Dec. 28, 2012	Dec. 30, 2011	Jun. 29, 2012
Income Taxes [Line Items]
Accrued interest and penalties related to uncertain tax positions	$ 1,404		$ 1,404		$ 1,905
Corporate income tax rate	4.30%	(6.70%)	5.20%	(9.20%)
Estimated annual effective tax rate, excluding discrete items	5.20%

- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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