RESTRUCTURING ACTIVITIES - Liabilities Recorded For The Restructuring Plan (Details) $ in Thousands	6 Months Ended
	Jun. 27, 2020 USD ($)
Restructuring Cost and Reserve [Roll Forward]
Recognized Restructuring Expense	$ 3,321
Costs Paid or Otherwise Settled	1,707
Balance at June 27, 2020	1,614
Severance
Restructuring Cost and Reserve [Roll Forward]
Recognized Restructuring Expense	1,665
Costs Paid or Otherwise Settled	854
Balance at June 27, 2020	811
Other cash restructuring expenses
Restructuring Cost and Reserve [Roll Forward]
Recognized Restructuring Expense	1,656
Costs Paid or Otherwise Settled	853
Balance at June 27, 2020	$ 803