COMMITMENTS, CONTINGENCIES AND CONCENTRATIONS (Significant customer concentrations as a percentage of net revenue) (Details) (Sales Revenue Net [Member], Customer Concentration Risk [Member])	12 Months Ended
Sep. 29, 2012 Advanced Semiconductor Engineering [Member]	Oct. 01, 2011 Advanced Semiconductor Engineering [Member]	Sep. 28, 2013 Siliconware Precision Industries Co. Limited [Member]	Sep. 29, 2012 Siliconware Precision Industries Co. Limited [Member]
Concentration Risk [Line Items]
Customer concentrations risk percentage	22.40%	21.80%	11.00%	14.90%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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