RESTRUCTURING (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended			24 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018	Mar. 30, 2019	Apr. 01, 2017
Restructuring Cost and Reserve [Line Items]
Total restructuring and turnaround	$ 19,878	$ 13,623	$ 44,125
Restructuring charges in next twelve months	2,200
Restructuring liability	2,648	7,479	28,535	$ 7,479	$ 7,468
Turnaround costs	16,287	13,228	13,596
2020 Program [Member]
Restructuring Cost and Reserve [Line Items]
Total restructuring and turnaround	11,900
2018 Program [Member]
Restructuring Cost and Reserve [Line Items]
Total restructuring and turnaround	7,900	13,700	36,600	58,200
Restructuring liability	1,136	0	0	0	0
2017 Program [Member]
Restructuring Cost and Reserve [Line Items]
Total restructuring and turnaround			7,200
Restructuring liability	1,512	$ 7,479	$ 28,535	$ 7,479	$ 7,468
Minimum | 2020 Program [Member]
Restructuring Cost and Reserve [Line Items]
Expected cost	60,000
Maximum | 2020 Program [Member]
Restructuring Cost and Reserve [Line Items]
Expected cost	$ 70,000