(LOSS) EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Numerator:
Net loss from continuing operations	$ (5,934)	$ (3,579)	$ (14,635)	$ (88,131)
Net earnings from discontinued operations		4,246		4,246
Net (loss) earnings	$ (5,934)	$ 667	$ (14,635)	$ (83,885)
Denominator:
Weighted-average shares outstanding	41,695,010	41,439,827	41,598,103	41,277,975
Weighted-average shares outstanding with dilution	41,695,010	41,439,827	41,598,103	41,277,975
Net (loss) earnings per share:
Basic from continuing operations (in dollars per share)	$ (0.14)	$ (0.09)	$ (0.35)	$ (2.13)
Basic from discontinued operations (in dollars per share)		$ 0.11		$ 0.10
Basic (in dollars per share)	$ (0.14)	$ 0.02	$ (0.35)	$ (2.03)
Diluted from continuing operations (in dollars per share)	$ (0.14)	$ (0.09)	$ (0.35)	$ (2.13)
Diluted from discontinued operations (in dollars per share)		$ 0.11		$ 0.10
Diluted (in dollars per share)	$ (0.14)	$ 0.02	$ (0.35)	$ (2.03)