RESTRUCTURING AND OTHER CHARGES - Restructuring Accrual (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013
Restructuring Reserve [Roll Forward]
Restructuring Reserve - Beginning Balance	$ 844		$ 1,103
Restructuring charges	111	404	111	2,662
Payments	(397)		(639)
Reserve adjustments	1		(16)
Restructuring Reserve - Ending Balance	559		559
Employee Severance Costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve - Beginning Balance	0		0
Restructuring charges	111	400	111	400
Payments	(111)		(111)
Reserve adjustments	0		0
Restructuring Reserve - Ending Balance	0		0
Contract Termination Costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve - Beginning Balance	844		1,103
Restructuring charges	0		0
Payments	(286)		(528)
Reserve adjustments	1		(16)
Restructuring Reserve - Ending Balance	559		559
Other Costs
Restructuring Reserve [Roll Forward]
Restructuring charges		2,700		2,700
Former Chief Executive Officer | Employee Severance Costs
Restructuring Reserve [Roll Forward]
Restructuring charges		$ 600