ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Accumulated Translation Adjustment [Member]
Beginning Balance	$ 2,727	$ 2,780	$ 2,385	$ 2,547
Translation adjustments	88	176	434	409
Taxes associated with translation adjustments	(82)	0	(86)	0
Ending Balance	2,733	2,956	2,733	2,956
Accumulated Unrealized Derivative Gains or Losses [Member]
Beginning Balance	(814)	227	(883)	615
Gain reclassified to earnings	(38)	594	81	1,298
Taxes associated with gain on derivatives	(220)	0	(261)
Change in fair value of cash flow hedges	1,090	(1,165)	1,081	(2,257)
Ending Balance	$ 18	$ (344)	$ 18	$ (344)