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Fair Value (Financial Liabilities Classified As Level 3 Within The Fair Value Hierarchy) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Fair Value Disclosures [Abstract]    
Balance at beginning of period $ 6,422 $ 1,990
Increase in discounted future cash flows recorded as interest expense 97 44
Decrease in earn out provisions recorded as other income (2,033) (44)
Balance at end of period $ 4,486 $ 1,990