Derivative Instruments and Hedging Activities (Effect on Consolidated Statements of Operations) (Details) - Derivatives designated as hedging instruments - Foreign currency contracts - USD ($) $ in Thousands	3 Months Ended
	Jul. 01, 2017	Jul. 02, 2016
Other comprehensive income
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in other comprehensive income (effective portion), net of taxes	$ (667)	$ (148)
Selling, general & administrative expenses
Derivative Instruments, Gain (Loss) [Line Items]
Amounts reclassified from AOCI into results of operations (effective portion), net of taxes	$ 386	$ 227