RESTRUCTURING ACCRUAL (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended	3 Months Ended	9 Months Ended
	Aug. 07, 2012 item	Sep. 28, 2012	Sep. 28, 2012
RESTRUCTURING ACCRUAL
Reduction in workforce, number	90
Reduction in workforce (as a percent)	8.00%
Restructuring accrual activity
Initiatives charged to expense		$ 1,992	$ 1,992
Cash payments			(1,649)
Foreign exchange			1
Balance at the end of the period		344	344
Facilities
Restructuring accrual activity
Initiatives charged to expense		100	69
Foreign exchange			1
Balance at the end of the period		70	70
Employee severance
Restructuring accrual activity
Initiatives charged to expense		1,900	1,923
Cash payments			(1,649)
Balance at the end of the period		$ 274	$ 274