RETIREMENT PLANS (Schedule of Activity Under Defined Benefit Plans) (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Mar. 28, 2015
Change in Benefit Obligation:
Benefit Obligation, beginning of year	$ (37,919)	$ (40,567)
Service cost	(3,404)	(3,560)	$ (2,979)
Interest cost	(287)	(371)	(686)
Benefits paid	1,291	3,780
Actuarial gain	4,615	424
Employee and plan participants contribution	(2,463)	(1,839)
Plan amendments	0	833
Plan settlements	6,960	0
Foreign currency changes	(138)	3,381
Benefit obligation, end of year	(31,345)	(37,919)	(40,567)
Change in Plan Assets:
Fair value of plan assets, beginning of year	19,852	23,165
Company contributions	1,788	1,987
Benefits paid	(1,192)	(3,779)
Gain on plan assets	414	446
Employee and plan participants contributions	2,424	1,861
Plan settlements	(6,850)	0
Foreign currency changes	849	(3,828)
Fair value of Plan Assets, end of year	17,285	19,852	$ 23,165
Funded Status	(14,060)	(18,067)
Unrecognized net actuarial loss	4,319	10,168
Unrecognized initial obligation	0	37
Unrecognized prior service cost	(1,019)	(1,186)
Net amount recognized	$ (10,760)	$ (9,048)