RESTRUCTURING (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended			24 Months Ended
	Mar. 30, 2019	Mar. 31, 2018	Apr. 01, 2017	Mar. 30, 2019	Apr. 02, 2016
Restructuring Cost and Reserve [Line Items]
Total restructuring and turnaround	$ 13,623	$ 44,125	$ 34,316
Restructuring charges in next twelve months	6,700			$ 6,700
Restructuring liability	7,479	28,535	7,468	7,479	$ 8,752
Turnaround costs	13,228	13,596	12,483
2018 Program [Member]
Restructuring Cost and Reserve [Line Items]
Total restructuring and turnaround	13,700	36,600		50,300
Restructuring liability	6,722	27,129	0	6,722	0
2017 Program [Member]
Restructuring Cost and Reserve [Line Items]
Total restructuring and turnaround		7,200	28,700
Restructuring liability	$ 757	1,406	$ 7,468	$ 757	$ 8,752
Minimum | 2018 Program [Member]
Restructuring Cost and Reserve [Line Items]
Expected cost		50,000
Minimum | 2018 Program [Member] | Severance and other employee costs
Restructuring Cost and Reserve [Line Items]
Expected cost		35,000
Maximum | 2018 Program [Member]
Restructuring Cost and Reserve [Line Items]
Expected cost		60,000
Maximum | 2018 Program [Member] | Severance and other employee costs
Restructuring Cost and Reserve [Line Items]
Expected cost		$ 40,000