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INCOME TAXES (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Oct. 03, 2015
Sep. 27, 2014
Sep. 28, 2013
Sep. 29, 2012
Income Tax Disclosure [Abstract]        
Tax Expense Related To Distributions From Earnings $ 1,000 $ 1,200 $ 300  
Change in Permanent Reinvestment Assertion 19,704 0 0  
Effect of earnings of foreign subsidiaries subject to different tax rates 530,500      
Deferred Tax Liabilities, Undistributed Foreign Earnings 14,500      
Undistributed Earnings Not Reinvested In Foreign Operations 27,200      
Foreign Earnings Repatriated 12,600      
Deferred Tax Assets, Gross, Noncurrent 3,200 3,800    
Deferred Tax Assets, Operating Loss Carryforwards, Foreign 102,500      
Deferred Tax Assets, Tax Credit Carryforwards 7,400      
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 6,000      
Excess tax benefits from stock based compensation 540 (825) 825  
Operating Loss Carryforwards [Line Items]        
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions 5,231 394 1,802  
Unrecognized Tax Benefits 7,101 7,192 6,869 $ 6,186
Deferred Tax Assets, Operating Loss Carryforwards, State and Local 186,000      
Deferred Tax Assets, Operating Loss Carryforwards, Domestic 3,200      
Operations In Singapore And Malaysia [Member]        
Operating Loss Carryforwards [Line Items]        
Income Tax Reconciliation, Tax Exempt Income $ 5,900 $ 17,400 $ 9,600  
Income Tax Reconciliation Foreign Income Tax Rate Differential Per Share $ 0.08 $ 0.23 $ 0.13  
Minimum [Member]        
Operating Loss Carryforwards [Line Items]        
Operating Loss Carryforward, Foreign, Statute Of Limitions 4 years      
Minimum [Member] | Operations In Singapore And Malaysia [Member]        
Operating Loss Carryforwards [Line Items]        
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential   5.00%    
Maximum [Member]        
Operating Loss Carryforwards [Line Items]        
Operating Loss Carryforward, Foreign, Statute Of Limitions 6 years      
Maximum [Member] | Operations In Singapore And Malaysia [Member]        
Operating Loss Carryforwards [Line Items]        
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential 5.00%      
Pennsylvania Tax Law [Member]        
Operating Loss Carryforwards [Line Items]        
Deferred Tax Assets, Operating Loss Carryforwards, State and Local $ 4,000 $ 3,000 $ 3,000  
Foreign Tax Authority [Member]        
Operating Loss Carryforwards [Line Items]        
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions     1,700  
Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities     $ 100  
Unrecognized Tax Benefits $ 2,100