RESTRUCTURING AND OTHER CHARGES - Restructuring Accrual (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012
Restructuring Reserve [Roll Forward]
Restructuring Reserve - Beginning Balance	$ 866		$ 3,605
Restructuring charges	1,000	453	3,662	2,004
Payments	(478)		(5,830)
Foreign currency changes	7		(42)
Restructuring Reserve - Ending Balance	1,395		1,395
Employee Severance Costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve - Beginning Balance	104		2,005
Restructuring charges	109		2,428
Payments	(122)		(4,326)
Foreign currency changes	4		(12)
Restructuring Reserve - Ending Balance	95		95
Contract Termination Costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve - Beginning Balance	730		1,600
Restructuring charges	833		834
Payments	(266)		(1,128)
Foreign currency changes	3		(6)
Restructuring Reserve - Ending Balance	1,300		1,300
Employee Severance and Other Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges	167		2,828
Payments	(200)		(4,700)
Other Costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve - Beginning Balance	32		0
Restructuring charges	58		400
Payments	(90)		(376)
Foreign currency changes	0		(24)
Restructuring Reserve - Ending Balance	$ 0		$ 0