RESTRUCTURING (Narrative) (Details) $ in Thousands	3 Months Ended		9 Months Ended		33 Months Ended
	Dec. 28, 2019 USD ($)	Dec. 29, 2018 USD ($)	Dec. 28, 2019 USD ($) segment	Dec. 29, 2018 USD ($)	Dec. 28, 2019 USD ($)	Mar. 30, 2019 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and turnaround costs	$ 7,798	$ 1,754	$ 13,582	$ 7,221
Restructuring liability	2,900		2,900		$ 2,900
Restructuring liability payable in next twelve months	2,400		$ 2,400		2,400
Number of reportable segments | segment			3
Turnaround costs	7,181	2,448	$ 10,653	8,240
2020 Program
Restructuring Cost and Reserve [Line Items]
Restructuring and turnaround costs	3,900		6,800
Restructuring liability	443		443		443	$ 0
2020 Program | Minimum
Restructuring Cost and Reserve [Line Items]
Expected cost	60,000		60,000		60,000
2020 Program | Maximum
Restructuring Cost and Reserve [Line Items]
Expected cost	70,000		70,000		70,000
2018 Program
Restructuring Cost and Reserve [Line Items]
Restructuring and turnaround costs	$ 3,900	$ 1,900	$ 6,800	$ 7,300	$ 57,000