RESTRUCTURING AND OTHER CHARGES - Restructuring Accrual (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Apr. 01, 2012
Restructuring Reserve [Roll Forward]
Restructuring Reserve - Beginning Balance	$ 3,605
Restructuring charges	2,258	720
Payments	(2,632)
Foreign currency changes	(24)
Restructuring Reserve - Ending Balance	3,207
Employee Severance Costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve - Beginning Balance	2,005
Restructuring charges	1,970
Payments	(2,509)
Foreign currency changes	(18)
Restructuring Reserve - Ending Balance	1,448
Contract Termination Costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve - Beginning Balance	1,600
Restructuring charges	0
Payments	(20)
Foreign currency changes	(6)
Restructuring Reserve - Ending Balance	1,574
Other Costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve - Beginning Balance	0
Restructuring charges	288
Payments	(103)
Foreign currency changes	0
Restructuring Reserve - Ending Balance	$ 185