RESTRUCTURING AND OTHER CHARGES - Restructuring Accrual (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013
Restructuring Reserve [Roll Forward]
Restructuring Reserve - Beginning Balance	$ 559		$ 1,103
Restructuring charges	301	1,000	412	3,662
Payments	(304)		(943)
Reserve adjustments	(20)		(36)
Restructuring Reserve - Ending Balance	536		536
Employee Severance Costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve - Beginning Balance	0		0
Restructuring charges	415	200	526	2,800
Payments	(202)		(313)
Reserve adjustments	(12)		(12)
Restructuring Reserve - Ending Balance	201		201
Contract Termination Costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve - Beginning Balance	559		1,103
Restructuring charges	(114)	800	(114)	800
Payments	(102)		(630)
Reserve adjustments	(8)		(24)
Restructuring Reserve - Ending Balance	$ 335		$ 335