Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenues:
Product sales	$ 79,027	$ 61,597	$ 229,915	$ 204,608
Services and rentals	175,276	172,389	454,048	445,083
Total revenues	254,303	233,986	683,963	649,691
Cost of revenues:
Cost of product sales	74,240	54,996	210,113	168,002
Cost of services and rentals	111,870	108,311	296,501	289,749
Depreciation, amortization, and accretion	20,751	20,232	60,498	56,786
Total cost of revenues	206,861	183,539	567,112	514,537
Gross profit	47,442	50,447	116,851	135,154
General and administrative expense	31,776	33,774	99,032	95,335
Interest expense, net	4,207	4,258	12,585	12,493
Other (income) expense, net	(7,243)	(661)	(12,284)	(5,942)
Income before taxes and discontinued operations	18,702	13,076	17,518	33,268
Provision for income taxes	5,848	4,475	5,072	11,341
Income before discontinued operations	12,854	8,601	12,446	21,927
Income (loss) from discontinued operations, net of taxes	0	1	0	3
Net income	12,854	8,602	12,446	21,930
Net (income) attributable to noncontrolling interest	(744)	(889)	(1,964)	(1,962)
Net income attributable to TETRA stockholders	$ 12,110	$ 7,713	$ 10,482	$ 19,968
Basic net income per common share:
Income before discontinued operations attributable to TETRA stockholders	$ 0.16	$ 0.10	$ 0.13	$ 0.26
Income (loss) from discontinued operations attributable to TETRA stockholders	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Net income attributable to TETRA stockholders	$ 0.16	$ 0.10	$ 0.13	$ 0.26
Average shares outstanding	78,030	77,329	77,867	77,226
Diluted net income per common share:
Income before discontinued operations attributable to TETRA stockholders	$ 0.15	$ 0.10	$ 0.13	$ 0.25
Income (loss) from discontinued operations attributable to TETRA stockholders	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Net income attributable to TETRA stockholders	$ 0.15	$ 0.10	$ 0.13	$ 0.25
Average diluted shares outstanding	78,963	78,938	78,719	78,740