INTEREST AND OTHER EXPENSE, NET (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
INTEREST AND OTHER EXPENSE, NET
Interest expense	$ (1,793)	$ (2,041)	$ (3,583)	$ (4,242)
Interest and dividend income	56	42	104	103
Derivative gain (loss)	171	(488)	373	183
Bank and portfolio asset management fees	(195)	(170)	(386)	(334)
Other expense, net	(281)	(171)	(687)	(725)
Total	$ (2,042)	$ (2,828)	$ (4,179)	$ (5,015)