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INCOME TAXES (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |
--- | --- | ---
Sep. 29, 2018 | Sep. 30, 2017 | Oct. 01, 2016 | Oct. 03, 2015
Income Tax Disclosure [Abstract] |  |  |  |
Change in permanent reinvestment assertion | $ 0 | $ 0 | $ (9,696) |
Tax impact on restructuring | 0 | 0 | 4,238 |
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries | 627,000 |  |  |
Tax Cuts and Job Act of 2017,Transition Tax for Accumulated Foreign Earnings, Deemed Dividend, Amount | 496,800 |  |  |
Deferred Tax Liabilities, Undistributed Foreign Earnings | 21,000 |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Foreign | 102,900 |  |  |
Deferred Tax Assets, Tax Credit Carryforwards | 5,900 |  |  |
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 12,000 |  |  |
Excess tax benefits from stock based compensation | 0 | (4,392) | 197 |
Operating Loss Carryforwards [Line Items] |  |  |  |
Tax Cuts And Jobs Act of 2017 Income Tax Expense (Benefit) | 104,600 |  |  |
Remeasurement of net U.S. deferred tax assets to reflect a reduction in the U.S. federal corporate tax rate | $ 2,760 | 0 | 0 |
Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act of 2017, Percent | 24.50% |  |  |
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions | $ 506 | 882 | 994 |
Unrecognized Tax Benefits | 13,038 | 12,062 | 7,453 | $ 7,101
Deferred Tax Assets, Operating Loss Carryforwards, State and Local | 163,800 |  |  |
Provisional estimate for the one-time U.S. transition tax, net of uncertain tax positions and foreign tax credits | 101,854 | 0 | 0 |
Undistributed Earnings of Foreign Subsidiaries Potentially Repatriated | 100,000 |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Domestic | 1,200 |  |  |
Operations In Singapore And Malaysia [Member] |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Income Tax Reconciliation, Tax Exempt Income | $ 20,400 | $ 23,300 | $ 8,700 |
Income Tax Reconciliation Foreign Income Tax Rate Differential Per Share | $ 0.29 | $ 0.32 | $ 0.12 |
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 |  |  | 0.00% |
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 | $ 5,000 | $ 0 | $ 4,000 | $ 4,000

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