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Commitments (Rent Exepense) (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Sep. 30, 2011 | Oct. 01, 2010 | Oct. 02, 2009 | Sep. 28, 2012
Commitments and Contingencies Disclosure [Abstract] |  |  |  |
Operating Leases, Rent Expense | $ 10,500,000 | $ 7,600,000 | $ 7,600,000 |
Operating Leases, Future Minimum Payments Due [Abstract] |  |  |  |
2012 |  |  |  | 8,491,000
2013 |  |  |  | 7,700,000
2014 |  |  |  | 6,919,000
2015 |  |  |  | 4,222,000
2016 |  |  |  | 2,769,000
Thereafter |  |  |  | 4,084,000
Operating Leases, Future Minimum Payments Due |  |  |  | 34,185,000
Other commitments due in one year |  |  |  | 6,600,000
Other commitments due in two yeara | $ 3,000,000 |  |  |

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