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Income Taxes (Income Tax Expenses) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Sep. 28, 2012
Jun. 29, 2012
Mar. 30, 2012
Dec. 30, 2011
Sep. 30, 2011
Jul. 01, 2011
Apr. 01, 2011
Dec. 31, 2010
Oct. 01, 2010
Jul. 02, 2010
Apr. 02, 2010
Jan. 01, 2010
Sep. 28, 2012
Sep. 30, 2011
Oct. 01, 2010
Income Tax [Line Items]                              
Federal (net of tax benefti from operating loss carryforward of $3,098, $2,505 and $5,260, respectively)                         $ 828    
State                         378 642 483
Foreign                         1,595 2,000 1,164
Deferred                         6,991 (23,036) 1,006
Total income tax expense (1,094) 5,049 5,995 (158) (22,068) 988 1,602 (916) 1,242 989 218 204 9,792 (20,394) 2,653
Federal [Member]
                             
Income Tax [Line Items]                              
Tax benefit from operating loss carryforward                         $ 3,098 $ 2,505 $ 5,260