Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues:
Product sales	$ 79,350	$ 75,782	$ 150,888	$ 143,011
Services and rentals	141,751	159,127	278,772	272,694
Total revenues	221,101	234,909	429,660	415,705
Cost of revenues:
Cost of product sales	80,135	62,516	135,873	113,006
Cost of services and rentals	89,504	100,064	183,968	180,642
Depreciation, amortization, and accretion	20,076	19,221	39,747	36,554
Total cost of revenues	189,715	181,801	359,588	330,202
Gross profit	31,386	53,108	70,072	85,503
General and administrative expense	34,365	31,466	67,919	62,357
Interest expense, net	4,178	4,084	8,378	8,235
Other (income) expense, net	(2,762)	(882)	(5,041)	(5,281)
Income (loss) before taxes and discontinued operations	(4,395)	18,440	(1,184)	20,192
Provision (benefit) for income taxes	(1,887)	6,262	(776)	6,866
Income (loss) before discontinued operations	(2,508)	12,178	(408)	13,326
Income (loss) from discontinued operations, net of taxes	0	3	0	2
Net income (loss)	(2,508)	12,181	(408)	13,328
Net (income) attributable to noncontrolling interest	(423)	(607)	(1,220)	(1,073)
Net income (loss) attributable to TETRA stockholders	$ (2,931)	$ 11,574	$ (1,628)	$ 12,255
Basic net income (loss) per common share:
Income (loss) before discontinued operations attributable to TETRA stockholders	$ (0.04)	$ 0.15	$ (0.02)	$ 0.16
Income (loss) from discontinued operations attributable to TETRA stockholders	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Net income (loss) attributable to TETRA stockholders	$ (0.04)	$ 0.15	$ (0.02)	$ 0.16
Average shares outstanding	77,896	77,278	77,784	77,174
Diluted net income (loss) per common share:
Income (loss) before discontinued operations attributable to TETRA stockholders	$ (0.04)	$ 0.15	$ (0.02)	$ 0.16
Income (loss) from discontinued operations attributable to TETRA stockholders	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Net income (loss) attributable to TETRA stockholders	$ (0.04)	$ 0.15	$ (0.02)	$ 0.16
Average diluted shares outstanding	77,896	78,998	77,784	78,640