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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details) $ in Thousands | 9 Months Ended |
--- | --- | ---
Jun. 29, 2018 USD ($) contract | Jun. 30, 2017 contract
Derivative [Line Items] |  |
Percent of revenues in foreign currency | 15.00% |
Currency translation gain (loss) | $ | $ (2,290) |
Number of foreign currency forward contracts (in contracts) | contract | 0 | 0
Euro |  |
Derivative [Line Items] |  |
Percent of revenues in foreign currency | 6.00% |
Canadian Dollars |  |
Derivative [Line Items] |  |
Percent of revenues in foreign currency | 6.00% |
Hong Kong, Dollars |  |
Derivative [Line Items] |  |
Percent of revenues in foreign currency | 2.00% |
Various other currencies |  |
Derivative [Line Items] |  |
Percent of revenues in foreign currency | 1.00% |

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