EARNINGS (LOSS) PER SHARE (Computation of basic and diluted earnings (loss) per share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Earnings (loss) per share (EPS):
Income (loss) from continuing operations (in dollars per share)	$ 0.38	$ (0.11)	$ 0.18	$ (0.23)
Income (loss) from discontinued operations (in dollars per share)	0.03	(0.02)	0.03	(0.04)
Basic and diluted earnings (loss) per share	$ 0.41	$ (0.13)	$ 0.21	$ (0.27)
EPS numerator - basic and diluted:
Income (loss) from continuing operations	$ 12,774	$ (3,565)	$ 6,120	$ (7,677)
Income (loss) from discontinued operations, net of income taxes	1,103	(809)	919	(1,241)
Net income (loss)	$ 13,877	$ (4,374)	$ 7,039	$ (8,918)
EPS denominator:
Weighted-average common stock outstanding - basic (in shares)	33,525	32,752	33,296	32,697
Common stock equivalents: stock options and other stock-based awards (a)	0	0	0	0
Weighted-average number of common stock outstanding - diluted (in shares)	33,525	32,752	33,296	32,697