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CASH, CASH EQUIVALENTS, RESTRICTED CASH AND SHORT-TERM INVESTMENTS (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Oct. 01, 2016
Oct. 03, 2015
Sep. 27, 2014
Cash and Cash Equivalents [Line Items]        
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents $ 608,940 $ 547,907    
Short-term investments 216,000 124,000    
Cash and cash equivalents, Amortized Cost 392,410 423,907 $ 498,614 $ 587,981
Restricted cash [1] 530 0    
Demand Deposits [Member]        
Cash and Cash Equivalents [Line Items]        
Short-term investments [2] 96,000 0    
Cash [Member]        
Cash and Cash Equivalents [Line Items]        
Cash and cash equivalents, Amortized Cost 65,759 118,335    
Cash equivalents, Money market funds [Member]        
Cash and Cash Equivalents [Line Items]        
Cash and cash equivalents, Amortized Cost [1] 232,069 152,961    
Cash equivalents, Time deposits [Member]        
Cash and Cash Equivalents [Line Items]        
Short-term investments [3] 120,000 124,000    
Cash and cash equivalents, Amortized Cost [1],[3] 89,087 133,611    
Commercial Paper [Member]        
Cash and Cash Equivalents [Line Items]        
Cash and cash equivalents, Amortized Cost [1] $ 5,495 $ 19,000    
[1] Fair value approximates cost basis.
[2] Represents deposits that require a notice period of three months for withdrawal.
[3] Certain time deposits as at October 1, 2016 have been corrected from cash equivalents to short-term investments for comparative purposes.