CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Reclassification out of AOCI
Sales	$ 80,814	$ 86,320	$ 148,033	$ 160,970
Other expense	(136)	(99)	(454)	(303)
Income before income taxes	2,629	4,596	2,891	7,868
Tax (expense) benefit	(364)	(956)	(586)	(1,785)
Net income	2,265	3,640	2,305	6,083
Unrealized gain (loss) on cash flow hedges | Amount reclassified from AOCI
Reclassification out of AOCI
Sales	55		(44)
Other expense	25		34
Income before income taxes	80		(10)
Tax (expense) benefit	(13)		5
Net income	67		(5)
Retirement plan related adjustment | Amount reclassified from AOCI
Reclassification out of AOCI
Amortization of prior service cost	(165)		(332)
Amortization of transition asset	(67)		(135)
Amortization of actuarial loss	796		1,599
Income before income taxes	564		1,132
Tax (expense) benefit	(42)		(85)
Net income	$ 522		$ 1,047