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Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 28, 2012	Sep. 30, 2011
Property, plant and equipment, accumulated depreciation	$ 98,235	$ 97,229
Preferred stock issued	0	0
Treasury stock, shares	516	0
Class A [Member]
Common stock, shares issued	8,676,703	8,567,549
Common stock, shares outstanding	8,676,703	8,567,549
Class B [Member]
Common stock, shares issued	1,215,758	1,215,842
Common stock, shares outstanding	1,215,758	1,215,842

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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