FAIR VALUE MEASUREMENTS (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Financial Assets:
Deferred compensation assets	$ 1,682	$ 1,680
Foreign currency forward contracts	79	157
Financial Liabilities:
Foreign currency forward contracts	303	337
Fair Value, Inputs, Level 1 [Member]
Financial Assets:
Deferred compensation assets	1,110	1,097
Foreign currency forward contracts	0	0
Financial Liabilities:
Foreign currency forward contracts	0	0
Fair Value, Inputs, Level 2 [Member]
Financial Assets:
Deferred compensation assets	572	583
Foreign currency forward contracts	79	157
Financial Liabilities:
Foreign currency forward contracts	303	337
Fair Value, Inputs, Level 3 [Member]
Financial Assets:
Deferred compensation assets	0	0
Foreign currency forward contracts	0	0
Financial Liabilities:
Foreign currency forward contracts	$ 0	$ 0