RESTRUCTURING CHARGES - Restructuring Accrual (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Oct. 02, 2011	Sep. 30, 2012	Oct. 02, 2011
Restructuring Reserve [Roll Forward]
Restructuring Reserve - Beginning Balance	$ 1,857		$ 2,743
Restructuring charges	453	181	2,004	103
Payments	(535)		(2,993)
Reserve adjustments	6		45
Foreign currency changes	0		(18)
Restructuring Reserve - Ending Balance	1,781		1,781
Employee Severance Costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve - Beginning Balance	150		82
Restructuring charges	286		1,601
Payments	(206)		(1,500)
Reserve adjustments	6		59
Foreign currency changes	(9)		(15)
Restructuring Reserve - Ending Balance	227		227
Contract Termination Costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve - Beginning Balance	1,707		2,661
Restructuring charges	0		0
Payments	(162)		(1,091)
Reserve adjustments	0		(14)
Foreign currency changes	9		(3)
Restructuring Reserve - Ending Balance	1,554		1,554
Other Costs
Restructuring Reserve [Roll Forward]
Restructuring Reserve - Beginning Balance	0		0
Restructuring charges	167		402
Payments	(167)		(402)
Reserve adjustments	0		0
Foreign currency changes	0		0
Restructuring Reserve - Ending Balance	$ 0		$ 0