RESTRUCTURING ACTIVITIES - Liabilities Recorded For The Restructuring Plan (Details) $ in Thousands	3 Months Ended
	Mar. 30, 2019 USD ($)
Restructuring Cost and Reserve [Roll Forward]
Beginning balance	$ 10,056
Recognized Restructuring Expense	0
Costs Paid or Otherwise Settled	(3,872)
Ending balance	6,184
Severance
Restructuring Cost and Reserve [Roll Forward]
Beginning balance	6,594
Recognized Restructuring Expense	0
Costs Paid or Otherwise Settled	(2,620)
Ending balance	3,974
Other cash restructuring expenses
Restructuring Cost and Reserve [Roll Forward]
Beginning balance	3,462
Recognized Restructuring Expense	0
Costs Paid or Otherwise Settled	(1,252)
Ending balance	$ 2,210