FAIR VALUE AND DERIVATIVE INSTRUMENTS (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2012
Financial instruments
Cash and cash equivalents	$ 15,005	$ 34,722	$ 15,778	$ 26,855
Restricted cash	3,567	4,124
Contingent consideration	0	7,500
Recurring | Level 1
Financial instruments
Cash and cash equivalents	15,005	34,722
Cash and cash equivalents, fair value	15,005	34,722
Restricted cash	3,567	4,124
Restricted cash, fair value	3,567	4,124
Recurring | Level 2
Financial instruments
Foreign currency forward contracts	384	285
Variable interest rate debt	17,540	26,635
Variable interest rate debt, fair value	17,540	26,635
Foreign currency forward contracts	578	872
Recurring | Level 3
Financial instruments
Contingent consideration	0	7,500
Contingent Consideration, At Fair Value	$ 0	$ 7,500