RESTRUCTURING ACTIVITIES - Liabilities Recorded For The Restructuring Plan (Details) $ in Thousands	6 Months Ended
	Jun. 25, 2016 USD ($)
Restructuring Cost and Reserve [Roll Forward]
Beginning balance	$ 2,733
Recognized Restructuring Expense	0
Costs Paid or Otherwise Settled	(1,493)
Ending balance	1,240
Severance
Restructuring Cost and Reserve [Roll Forward]
Beginning balance	1,307
Recognized Restructuring Expense	0
Costs Paid or Otherwise Settled	(1,188)
Ending balance	119
Other cash restructuring expenses
Restructuring Cost and Reserve [Roll Forward]
Beginning balance	1,426
Recognized Restructuring Expense	0
Costs Paid or Otherwise Settled	(305)
Ending balance	$ 1,121