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Commitments and Contingencies Contingencies (Details) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Mar. 30, 2013
Pending Litigation
 
Loss Contingencies [Line Items]  
Loss contingency accrual 0.5
Revenue | Geographic Concentration Risk | Minimum | CHINA
 
Loss Contingencies [Line Items]  
Revenue from China as a percent of total revenue 6.00%
Revenue | Geographic Concentration Risk | Maximum | CHINA
 
Loss Contingencies [Line Items]  
Revenue from China as a percent of total revenue 7.00%