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BASIS OF PRESENTATION (Recent Accounting Pronouncements) (Narrative) (Details) - USD ($) $ in Thousands | Sep. 29, 2018 | Sep. 30, 2017
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New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Cumulative effect of new accounting principle in period of adoption | $ (534) | $ (5,420)
Retained earnings |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Cumulative effect of new accounting principle in period of adoption |  | $ (4,006)
Retained earnings | Accounting Standards Update 2016-16 [Member] |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Cumulative effect of new accounting principle in period of adoption | $ (534) |

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