DERIVATIVES AND FAIR VALUE MEASUREMENTS (Schedule of Financial Assets and Financial Liabilities Measured at Fair Value) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Apr. 01, 2017
Fair Value, Measurements, Recurring [Member]
Assets
Money market funds	$ 135,763	$ 80,676
Designated interest rate swaps		64
Assets fair value	136,920	82,603
Liabilities
Liabilities fair value	1,752	966
Fair Value, Measurements, Recurring [Member] | Quoted Market Prices for Identical Assets (Level 1)
Assets
Money market funds	135,763	80,676
Designated interest rate swaps		0
Assets fair value	135,763	80,676
Liabilities
Liabilities fair value	0	0
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2)
Assets
Money market funds	0	0
Designated interest rate swaps		64
Assets fair value	1,157	1,927
Liabilities
Liabilities fair value	1,752	966
Designated as Hedging Instrument
Assets
Derivative Assets	1,157	1,927
Liabilities
Derivative Liabilities	1,752	966
Designated as Hedging Instrument | Fair Value, Measurements, Recurring [Member]
Assets
Designated foreign currency hedge contracts	1,093	1,645
Liabilities
Designated foreign currency hedge contracts	1,611	894
Designated as Hedging Instrument | Fair Value, Measurements, Recurring [Member] | Quoted Market Prices for Identical Assets (Level 1)
Assets
Designated foreign currency hedge contracts	0	0
Liabilities
Designated foreign currency hedge contracts	0	0
Designated as Hedging Instrument | Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2)
Assets
Designated foreign currency hedge contracts		1,645
Liabilities
Designated foreign currency hedge contracts		894
Not Designated as Hedging Instrument | Fair Value, Measurements, Recurring [Member]
Assets
Designated foreign currency hedge contracts	64	218
Liabilities
Designated foreign currency hedge contracts	141	72
Not Designated as Hedging Instrument | Fair Value, Measurements, Recurring [Member] | Quoted Market Prices for Identical Assets (Level 1)
Assets
Designated foreign currency hedge contracts	0	0
Liabilities
Designated foreign currency hedge contracts	0	0
Not Designated as Hedging Instrument | Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2)
Assets
Designated foreign currency hedge contracts		218
Liabilities
Designated foreign currency hedge contracts		72
Foreign Exchange Contract | Other Current Assets | Designated as Hedging Instrument
Assets
Derivative Assets		1,645
Foreign Exchange Contract | Other Current Assets | Designated as Hedging Instrument | Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2)
Assets
Derivative Assets	1,093
Foreign Exchange Contract | Other Current Assets | Not Designated as Hedging Instrument
Assets
Derivative Assets		218
Foreign Exchange Contract | Other Current Assets | Not Designated as Hedging Instrument | Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2)
Assets
Derivative Assets	64
Foreign Exchange Contract | Other Current Liabilities | Designated as Hedging Instrument
Liabilities
Derivative Liabilities		894
Foreign Exchange Contract | Other Current Liabilities | Designated as Hedging Instrument | Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2)
Liabilities
Derivative Liabilities	1,611
Foreign Exchange Contract | Other Current Liabilities | Not Designated as Hedging Instrument
Liabilities
Derivative Liabilities		$ 72
Foreign Exchange Contract | Other Current Liabilities | Not Designated as Hedging Instrument | Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2)
Liabilities
Derivative Liabilities	$ 141