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	$ 482,175	$ 579,140	$ 929,711	$ 1,150,780
Cost of revenues	322,587	382,395	630,000	770,930
Gross profit	159,588	196,745	299,711	379,850
Operating expenses
Sales and marketing	46,182	50,847	94,398	100,703
Product development	43,481	46,640	87,689	90,996
General and administrative	38,317	33,450	71,912	70,020
Amortization of intangible assets	10,247	12,025	20,991	23,938
Restructuring expense	3,385	7,720	4,398	8,509
Total operating expenses	141,612	150,682	279,388	294,166
Operating income	17,976	46,063	20,323	85,684
Other income (expense)
Interest income	194	177	1,255	370
Interest expense	(2,336)	(2,606)	(4,674)	(5,043)
Other income (expense), net	(1,742)	(779)	(2,559)	(2,955)
Total other income (expense)	(3,884)	(3,208)	(5,978)	(7,628)
Income before income taxes	14,092	42,855	14,345	78,056
Income tax benefit (provision)	(1,896)	(10,564)	1,347	(20,193)
Net income	12,196	32,291	15,692	57,863
Net income (loss) attributable to noncontrolling interests	(203)	676	723	895
Net income attributable to Itron, Inc.	$ 12,399	$ 31,615	$ 14,969	$ 56,968
Earnings per common share - Basic (in dollars per share)	$ 0.31	$ 0.79	$ 0.38	$ 1.43
Earnings per common share - Diluted (in dollars per share)	$ 0.31	$ 0.79	$ 0.38	$ 1.42
Weighted average common shares outstanding - Basic (in shares)	39,431	39,887	39,426	39,900
Weighted average common shares outstanding - Diluted (in shares)	39,678	40,126	39,724	40,170