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Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 29, 2012	Sep. 30, 2011	Jul. 01, 2011
Property, plant and equipment, accumulated depreciation	$ 95,416	$ 97,229	$ 96,514
Treasury stock, shares	516	0	172
Class A [Member]
Common stock, shares issued	8,678,369	8,567,549	8,563,147
Common stock, shares outstanding	8,678,369	8,567,549	8,563,147
Class B [Member]
Common stock, shares issued	1,215,842	1,215,842	1,216,464
Common stock, shares outstanding	1,215,842	1,215,842	1,216,464

X

- Definition

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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