INTEREST AND OTHER EXPENSE, NET (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014
INTEREST AND OTHER EXPENSE, NET
Interest expense	$ (573)	$ (595)	$ (1,138)	$ (1,256)
Interest and dividend income	27	69	68	123
Derivative gain, net	658	137	533	125
Bank and portfolio asset management fees	(339)	(266)	(693)	(526)
Other expense, net	(837)	(3)	(737)	(100)
Total	$ (1,064)	$ (658)	$ (1,967)	$ (1,634)