ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 27, 2020	Dec. 28, 2019	Dec. 29, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance as of March 28, 2020	$ (45,135)
Other comprehensive income (loss) before reclassifications	287
Amounts reclassified from Accumulated Other Comprehensive Income (Loss)	1,142
Net current period other comprehensive income (loss)	1,429	$ 1,429	$ (3,618)
Balance as of June 27, 2020	(43,706)
Foreign Currency
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance as of March 28, 2020	(31,100)
Other comprehensive income (loss) before reclassifications	1,534
Amounts reclassified from Accumulated Other Comprehensive Income (Loss)	0
Net current period other comprehensive income (loss)	1,534
Balance as of June 27, 2020	(29,566)
Defined Benefit Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance as of March 28, 2020	(209)
Other comprehensive income (loss) before reclassifications	0
Amounts reclassified from Accumulated Other Comprehensive Income (Loss)	0
Net current period other comprehensive income (loss)	0
Balance as of June 27, 2020	(209)
Net Unrealized Gain/Loss on Derivatives
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance as of March 28, 2020	(13,826)
Other comprehensive income (loss) before reclassifications	(1,247)
Amounts reclassified from Accumulated Other Comprehensive Income (Loss)	1,142
Net current period other comprehensive income (loss)	(105)
Balance as of June 27, 2020	$ (13,931)