CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 28, 2013	Sep. 29, 2012
Accounts receivable, reserve for doubtful accounts	$ 6,522	$ 6,377
Property, plant and equipment, accumulated depreciation	$ 64,591	$ 63,974
Preferred stock, par value (in usd per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	2,000,000	2,000,000
Preferred stock, shares issued
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized	47,500,000	47,500,000
Common stock, shares issued	23,442,565	23,438,287
Treasury stock, shares	4,648,795	4,635,315