Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues	$ 163,644	$ 272,466	$ 372,108	$ 515,290
Cost of revenues	142,155	214,711	318,789	411,271
Selling, general and administrative expenses	23,963	27,981	49,941	53,504
Other operating income, net	(792)	(2,042)	(1,068)	(2,058)
Operating income (loss)	(1,682)	31,816	4,446	52,573
Foreign currency exchange (gain) loss	(410)	(1,805)	1,154	(1,751)
Interest expense, net	2,224	2,830	4,479	5,750
Income (loss) from continuing operations before income taxes	(3,496)	30,791	(1,187)	48,574
Provision for income taxes	758	10,462	2,074	16,503
Income (loss) from continuing operations	$ (4,254)	$ 20,329	$ (3,261)	32,071
Income from discontinued operations, net of tax				1,152
Gain from disposal of discontinued operations, net of tax				22,117
Net income (loss)	$ (4,254)	$ 20,329	$ (3,261)	$ 55,340
Basic EPS:
Basic income (loss) from continuing operations per common share (in dollars per share)	$ (0.05)	$ 0.24	$ (0.04)	$ 0.38
Income from discontinued operations: (in dollars per share)				0.28
Net income: (in dollars per share)	$ (0.05)	$ 0.24	$ (0.04)	0.66
Diluted EPS:
Diluted income (loss) from continuing operations per common share (in dollars per share)	$ (0.05)	$ 0.21	$ (0.04)	0.34
Income from discontinued operations. (in dollars per share)				0.23
Net income (loss) (in dollars per share)	$ (0.05)	$ 0.21	$ (0.04)	$ 0.57