INCOME TAXES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			48 Months Ended	60 Months Ended	24 Months Ended	60 Months Ended	72 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Dec. 31, 2013 U.S. Federal [Member]	Dec. 31, 2013 Other U.S. state and local juristictions [Member]	Dec. 31, 2013 United Kingdon [Member]	Dec. 31, 2013 Australia [Member]	Dec. 31, 2013 Other Jurisdictions [Member]
Tax open years subject to examination [Line Items]
Open Tax Year				2010	2009	2012	2009	2008
Income tax benefit (provision)	$ 524	$ (177)
Pre-tax income (loss)	(4,020)	(8,418)
Effective income tax rate	(13.00%)	2.10%
Unrecognized tax benefits	2,909		3,872
Accrued interest and penalties	747		786
Estimated interest and penalties benefit	(5)	19
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Lower Bound	500
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound	$ 700