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Capital Stock (Details) (USD $)	1 Months Ended	12 Months Ended
Capital Stock (Details) (USD $)	Jan. 31, 2008	Jul. 01, 2012 ratio	Jul. 03, 2011	Jun. 27, 2010
Capital Stock
Ratio for conversion into Class A common stock		1
Remaining authorized amount under stock repurchase plan pertaining to earlier authorization	$ 8,700,000
Remaining authorized amount under stock repurchase plan		8,548,000
Shares of common stock repurchased, value		$ 3,277,000	$ 454,000	$ 879,000
Shares of common stock repurchased		(1,133,913)	(168,207)	(342,821)
Class A common stock
Capital Stock
Number of voting rights per common stock share		1
Class B common stock
Capital Stock
Number of voting rights per common stock share		10

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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