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DERIVATIVES AND FAIR VALUE MEASUREMENTS (Narrative) (Details) |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jun. 15, 2018 USD ($) | Sep. 29, 2018 USD ($) | Sep. 29, 2018 USD ($) | Aug. 31, 2018 USD ($) swap | Mar. 31, 2018 USD ($)
Term Loan |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Face amount of debt | $ 350,000,000.0 |  |  |  |
Debt outstanding |  | $ 345,600,000 | $ 345,600,000 |  |
Revolving Credit Facility |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Maximum borrowing capacity | $ 350,000,000.0 |  |  |  |
Debt outstanding |  | $ 0 | $ 0 |  |
Revolving Credit Facility | LIBOR | Minimum |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Interest rate | 1.13% |  |  |  |
Revolving Credit Facility | LIBOR | Maximum |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Interest rate | 1.75% |  |  |  |
Foreign Exchange Contract |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Percentage of sales generated outside the US |  | 36.70% | 37.30% |  |
Maturity period for foreign currency contracts |  |  | 1 year |  |
Cash Flow Hedging | Interest Rate Swap |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Number of instruments held | swap |  |  |  | 2 |
Derivative fixed interest rate |  |  |  | 2.80% |
Notional amount |  |  |  | $ 241,900,000 |
Gains recorded in accumulated other comprehensive income |  |  | $ 300,000 |  |
Cash Flow Hedging | Interest Rate Swap | LIBOR |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Debt exposed to interest rate risk |  |  |  | 70.00% |
Derivative fixed interest rate |  |  |  | 4.05% |
Designated as Hedging Instrument | Foreign Exchange Contract |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Deferred income tax expense (benefit) |  | $ 0 | 0 |  |
Designated as Hedging Instrument | Foreign Exchange Contract |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Designated foreign currency hedge contracts outstanding |  | 59,000,000 | 59,000,000 |  | $ 86,000,000
Designated as Hedging Instrument | Cash Flow Hedging |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Gain (loss) to be reclassified within the next twelve months |  |  | 2,500,000 |  |
Not Designated as Hedging Instrument | Foreign Exchange Contract |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Non-designated foreign currency hedge contracts outstanding |  | $ 41,600,000 | $ 41,600,000 |  | $ 36,300,000

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