RESTRUCTURING ACTIVITIES - Narrative (Details) - USD ($)	3 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 29, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 7,019,000
Total cost of sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	4,490,000
Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2,529,000
ESS
Restructuring Cost and Reserve [Line Items]
Restructuring charges	5,419,000
Impairments of current and other assets		$ 7,944
ESS | Total cost of sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	3,016,000	18,380,000
ESS | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 2,403,000	$ 15,651,000