VALUATION AND QUALIFYING ACCOUNTS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period	$ 941		$ 743		$ 771
Charged to costs and expenses	1,434		325		(123)
Charged to other accounts	0	[1]	50	[1]	109	[1]
Deductions	(386)	[2]	(177)	[2]	(14)	[2]
Balance at end of period	1,989		941		743
Allowance for Excess and Obsolete Inventory [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period	3,941		5,490		4,776
Charged to costs and expenses	4,438		(85)		1,345
Charged to other accounts	(1)	[1]	7	[1]	3	[1]
Deductions	(1,569)	[2]	(1,471)	[2]	(634)	[2]
Balance at end of period	6,809		3,941		5,490
Deferred Tax Assets - Valuation Allowances [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period	1,955		1,874		1,232
Charged to costs and expenses	4,766		308		651
Charged to other accounts	0	[1]	0	[1]	0	[1]
Deductions	(29)	[2]	(227)	[2]	(9)	[2]
Balance at end of period	$ 6,692		$ 1,955		$ 1,874

[1] Includes foreign currency translation adjustments

[2] Write offs