FAIR VALUE MEASUREMENTS (Fair value of financial assets and liabilities) (Details) - USD ($) $ in Thousands	Jan. 02, 2016	Oct. 03, 2015
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Cash and Cash Equivalents	$ 492,935	$ 498,614
Fair Value, Measurements, Recurring [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Total Assets	492,935	498,614
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Total Assets	492,935	498,614
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Total Assets	0	0
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Total Assets	0	0
Fair Value, Measurements, Recurring [Member] | Cash [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Cash and Cash Equivalents	140,720	105,617
Fair Value, Measurements, Recurring [Member] | Cash [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Cash and Cash Equivalents	140,720	105,617
Fair Value, Measurements, Recurring [Member] | Cash [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Cash and Cash Equivalents	0	0
Fair Value, Measurements, Recurring [Member] | Cash [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Cash and Cash Equivalents	0	0
Fair Value, Measurements, Recurring [Member] | Cash equivalents, Money market funds [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Cash and Cash Equivalents	58,481	155,715
Fair Value, Measurements, Recurring [Member] | Cash equivalents, Money market funds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Cash and Cash Equivalents	58,481	155,715
Fair Value, Measurements, Recurring [Member] | Cash equivalents, Money market funds [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Cash and Cash Equivalents	0	0
Fair Value, Measurements, Recurring [Member] | Cash equivalents, Money market funds [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Cash and Cash Equivalents	0	0
Fair Value, Measurements, Recurring [Member] | Cash equivalents, Time deposits [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Cash and Cash Equivalents	293,734	237,282
Fair Value, Measurements, Recurring [Member] | Cash equivalents, Time deposits [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Cash and Cash Equivalents	293,734	237,282
Fair Value, Measurements, Recurring [Member] | Cash equivalents, Time deposits [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Cash and Cash Equivalents	0	0
Fair Value, Measurements, Recurring [Member] | Cash equivalents, Time deposits [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Cash and Cash Equivalents	$ 0	$ 0