RESTRUCTURING ACTIVITIES - Liabilities Recorded For The Restructuring Plan (Details) $ in Thousands	9 Months Ended
	Sep. 29, 2018 USD ($)
Restructuring Cost and Reserve [Roll Forward]
Beginning balance	$ 1,216
Recognized Restructuring Expense	13,465
Costs Paid or Otherwise Settled	(13,078)
Ending balance	1,603
Severance
Restructuring Cost and Reserve [Roll Forward]
Beginning balance	0
Recognized Restructuring Expense	9,515
Costs Paid or Otherwise Settled	(9,095)
Ending balance	420
Other cash restructuring expenses
Restructuring Cost and Reserve [Roll Forward]
Beginning balance	1,216
Recognized Restructuring Expense	3,950
Costs Paid or Otherwise Settled	(3,983)
Ending balance	$ 1,183