Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenues	$ 2,178,178	$ 2,434,124	$ 2,259,271
Cost of revenues	1,463,031	1,687,666	1,558,596
Gross profit	715,147	746,458	700,675
Sales and marketing	197,603	185,105	171,035
Product development	178,653	161,305	139,166
General and administrative	138,290	142,908	137,226
Amortization of intangible assets	47,810	63,394	69,051
Restructuring expense	1,665	68,082	0
Goodwill impairment	0	584,847	0
Total operating expenses	564,021	1,205,641	516,478
Operating income (loss)	151,126	(459,183)	184,197
Interest income	952	862	592
Interest expense	(10,115)	(36,794)	(54,904)
Other income (expense), net	(5,744)	(6,651)	(5,440)
Total other income (expense)	(14,907)	(42,583)	(59,752)
Income (loss) before income taxes	136,219	(501,766)	124,445
Income tax provision	(25,995)	(4,430)	(15,974)
Net income (loss)	110,224	(506,196)	108,471
Net income attributable to noncontrolling interests	1,949	3,961	3,701
Net income (loss) attributable to Itron, Inc.	$ 108,275	$ (510,157)	$ 104,770
Earnings (loss) per common share - Basic	$ 2.73	$ (12.56)	$ 2.60
Earnings (loss) per common share - Diluted	$ 2.71	$ (12.56)	$ 2.56
Weighted average common shares outstanding - Basic	39,625	40,612	40,337
Weighted average common shares outstanding - Diluted	39,934	40,612	40,947